Which statement is not true about eukaryotic chromosomes? B. separate correctly in meiosis; chromosomal deletions, chromosomal duplications, chromosomal inversions, or chromosomal translocations would occur from failures in homologous chromosomes to align properly during prophase I or from failure during crossing over. Compare the wavelength and energy of this wave to those of a second wave with a frequency of 1017Hz10^{17} \mathrm{~Hz}1017Hz. (d) Hope. D. spermatogenesis. Today we know that. When a sperm and an egg join in fertilization, the two haploid sets of chromosomes form a complete diploid set: a new genome. Only one of the four daughter cells becomes a functional gamete in spermatogenesis. Species X reproduces asexually by fission and species Y reproduces sexually. B) metaphase II Why is crossing-over important? The genus Lacerta is composed of a species of lizards that are female and do not mate. E. All of the choices are true. Down syndrome, Which of the following conditions results from a Robertsonian translocation? 4
B. Oogenesis always involves an equal division of cell contents in the formation of an egg and polar bodies. C) metaphase I and metaphase Which of the following structures is NOT one of the extraembryonic membranes associated with the human embryo? C. Triploid and polyploid Which of the following statements about embryonic development is NOT true? In humans, the haploid cells made in meiosis are sperm and eggs. how many days after the start of the mother's last menstruation is the birth of the baby expected to occur? Which of the following errors most likely produces this condition? What is its role in males? C) Interphase involves DNA replication and interkinesis does not. Angiosperms have dominated the land flora primarily because of their -. Consider that all other relevant characteristics are similar between these species. c. the cell may have damaged DNA and need to undergo apoptosis. Define the following terms: crossing over, synapsis, gamete, autosome, During which stage of grief do people make a promise to change if what was lost can be returned? Inherited disorders can arise when chromosomes behave abnormally during meiosis. D) formation of bivalents. A. crossing over
B. nuclear envelope dissolves
C. chromatin condenses into chromosomes
D. centrioles appear in animal cells, During _______________ the homologous chromosome pairs separate in a random fashion leading to genetic diversity among the offspring. C. pangenesis. The desert is relatively uniform and there is little advantage to maintaining variation, but the animal has not been able to completely evolve away from its heritage of sexual reproduction. All of the following events occur during normal meiosis except _______. CLICK HERE FOR ANSWER Animal cells from a cell plate during cytokinesis while plant cells from a cleavage furrow and then pinch into two daughter cells, The region that contains the genetic information in a bacterial cell is called the, virtually all of the specialized cells of multicellular organisms. B) 48 e. none of the choices are sources of genetic variation, d. all of the choices are sources of genetic variation. It occurs only before Meiosis I. there is no interphase between Meiosis I and Meiosis II. Sister chromatids line up and separate into individual chromosomes. a. the cell cycle halts A. A) crossing-over in prophase I of meiosis A) Homologous chromosomes form tetrads. interphase involves DNA replication and interkinesis does not, meiosis occurs during all of the following EXCEPT Meiosis is the process by which gametes are produced. C) Meiosis occurs only in stem cells while mitosis can occur in any of the body's cells. Meiosis is a type of cell division that starts with a diploid, 2 n cell. D) Genetic variation among sexually reproducing organisms is enhanced by meiosis. Which does NOT occur in meiosis? d. A, B and C, all involve in meiosis A) All stages of meiosis follow DNA replication. D. Meiosis is not a necessary component of the animal life cycle. e A and B only, The function of mitosis is (a). D) a structure that holds together homologues during crossing-over They allow a reduction in chromosomes while preserving most of the cytoplasm for one egg. The third way that meiosis generates genetic diversity is through the separation of homologous chromosomes into the gametes. D) A, B, and C all involve meiosis. Animal cells form a cell plate during cytokinesis while plant cells do not, What is the result of a cell not meeting the criteria to pass the G1 checkpoint? A) ovaries An individual who inherits XO will show symptoms of ___________ syndrome. 10. Which of the following is/are true about sexual reproduction? Encircle the letter of your choice. Monosomy occurs when an individual has only one of a particular type of chromosome. A. Interkinesis occurs after a cell finishes a nuclear division. One main reason would be. Meiosis occurs in the primordial germ cells, cells specified for sexual reproduction and separate from the body's normal somatic cells. Question 12: An elephant gamete has 28 chromosomes in it. 4) Select the statement which is true regarding independent assortment. B. answer choices . All of the following are true of meiosis, except a) there are two cell divisions. &\frac{d x_1}{d t}=r_1 x_1\left(1-\frac{x_1}{k_1}-b_1 \frac{x_2}{k_1}\right) \\ What is the specific term that describes the loss of a single chromosome (2n - 1)? The correct number of chromosomes in a species is known as aneuploidy. Meiosis occurs during all of the following EXCEPT
A. gametogenesis. Based on this information, determine which of the following statements are true. C) telophase I Meiosis is similar to this other process of cell division., The term for how many chromosomes a parent cell has., The term for how many chromosomes a daughter cell has., The overall function of meiosis includes all of the following EXCEPT A. gamete production. A) Gametes are the only haploid phase of the human life cycle. (b). E) penis. decrease in LH, increase in progesterone, corpus luteum present, secretory uterine lining, in the human male, the tube used to carry both sperm and urine is the, A functional advantage of having human testes in the scrotum rather than in the abdomen is. The correct number of chromosomes in a species is known as aneuploidy. d. all of the choices are sources of genetic variation Each homologue's centromere splits to form two chromosomes. D) It increases chromosome condensation. C. providing genetic variation in sexually reproducing organisms. Include units in your answer. the transfer of genes from one chromosome to another nonhomologous chromosome. Sources of genetic variation in a sexually reproducing population include(s) which of the following? D. gamete. Which of the following is the correct order of movement of substances through the large intestine? spermatogenesis in males results in four functional sperm while oogenesis in females results in only one egg and three structures that contain genetic information that is lost when they disintegrate. What is the probable evolutionary mechanism for this occurring? At the end of anaphase I, each chromosome is composed of two chromatids and at the end of anaphase II, sister chromatids have separated, becoming daughter chromosomes
B. Anaphase I occurs in a haploid cell while anaphase II occurs in a diploid cell. The mechanics of meiosis II is similar to mitosis, except that each dividing cell has only one set of homologous chromosomes. If a cell contains 12 chromosomes at the end of meiosis I, how many chromosomes will the daughter cells contain at the end of meiosis II? Select all that apply. C) anaphase II (B) There is no replication of chromosomes between meiosis I and meiosis II. b. the chromosome is a simple DNA strand without complex proteins and no spindle forms Describe how errors in chromosome structure occur through inversions and translocations. All of the following events occur during normal meiosis except _____. Generally, brain and nerve cells are not able to regenerate after injury because they have left the cell cycle and are unable to return. D)A,B,and C all involve meiosis. (2) Nature of self pollination. C. providing genetic variation in sexually reproducing organisms. (c) Bargaining. The incidence of Down syndrome, also known as trisomy 21, increases with increasing maternal age. carry the same alleles for all traits. In order to create a diploid organism, the uniting cells must be haploid so as to maintain the constant chromosome number in the baby. D) All of the choices are true. When two chromosomes one from the mother and one from the father line up, parts of the chromosome can be switched. (C) Spindle fibers are attached to the centriole. Correct answers: 1 question: All of the following occur during the krebs cycle except: i. acetyl-coa combines with oxaloacetate to form citrate. During which phase of mitosis and meiosis will the state of the chromosome be the same? cells becoming specialized in structure and function, the neural tube of vertebrates develops during morphogensis of the nervous system by the. C. This switch in mating behavior is the direct physical reflection of crossing-over. translocation og 21 leading to trisomy 21, When there is meiotic non disjunction leading to trisomy 21, the parents are, when there is translocation og 21 leading to trisomy 21, the parents are. D. Sperm that contain a recombination of genes are usually more successful in fertilizing an egg. Meiosis occurs during all of the following EXCEPT C) fertilization 1. Meiosis occurs during all of the following EXCEPT. True or False, Which of the following is NOT a difference between anaphase 1 and anaphase 11, anaphase 1 occurs in a haploid cell while anaphase 11 occurs in a diploid cell, The picture depicts which of the following changes in chromosome structure. The polar body is
A. another name for an egg cell. It is the first stage of mitosis. Which of the following is NOT true concerning mitosis? b. A) two daughter cells at completion a nonfunctional cell rudiment formed at the same time as an egg cell. Which of the following is not a characteristic of homologous chromosomes? Neither A B. B. sperm cell. B) Homologous chromosomes separate and go to different daughter cells. species Y should have a better chance of surviving than species X. C) spermatogenesis. If a cell contains 12 chromosomes at the end of meiosis I, how many chromosomes will the daughter cells contain at the end of meiosis II? Because even small segments of chromosomes . Meiosis occurs during all of the following EXCEPT A) gametogenesis. It provides extra genetic material for the daughter cells. During metaphase of mitosis the duplicated chromosomes are at the metaphase plate while during metaphase I of meiosis the bivalents are present at the metaphase plate. Verified Answer for the question: [Solved] Meiosis occurs during all of the following EXCEPT A) gametogenesis. Aneuploidy is a change in the number of chromosomes resulting from nondisjunction during meiosis. The two cells produced in meiosis I go through the events of meiosis II in synchrony. c. Based on your sketch in part b, what do you expect the populations of the two species to do in the long run? Cytokinesis is plant cell differs from this process in animal cells because, the golgi apparatus produces vesicles that migrate along microtubules and fuse to become a cell plate, Multicellular plants and animals use mitosis and cytokinesis as means for, Which of the following is not an activity that a cell performs during G1, ..is the mitotic phase during which spindle fibers attach to chromosomes, sister chromatids form during which phase of the cell cycle, the region that contains the genetic information in a bacteria cell is called the, the diploid (2n) number of chromosomesfor human is, during the stage of interphase, a eukaryotic cell replicates its DNA, Organisms produced as a result of mitosis exhibit a great deal of genetic variation All of the choices are sources of genetic variation. A) During metaphase I of meiosis, the bivalents are present at the metaphase plate; during metaphase of mitosis, the duplicated chromosomes are at the metaphase plate. anaphase II and Anaphase. 2020-2023 Quizplus LLC. Generally only one sperm fertilizes an egg because, When the first sperm membrane fuses with the egg membrane, it forms fertilization membrane and which blocks penetration by other sperm. can nonreciprocal translocation be balanced, an even exchange of material with no genetic information extra or missing, and ideally full functionality, where the exchange of chromosome material is unequal resulting in extra or missing genes. What is the speed of all forms of electromagnetic radiation in a vacuum? 10+ million students use Quizplus to study and prepare for their homework, quizzes and exams through 20m+ questions in 300k quizzes. b.) Is this an animal or plant cell? D) A, B, and C all involve meiosis. The cell cycle is divided into an interphase and a mitotic (M) phase. T/F: Females with only one X chromosome do not develop; this condition is lethal. False A change in the chromosome number resulting from nondisjunction is called aneuploidy. Which statement below best describes the difference between mitosis and cytokinesis? C) It produces the proteins that are associated with DNA in chromosomes. It begins around the second week of embryonic development and involves the formation of the three germ layers - the endoderm, mesoderm, and ectoderm - which give rise to all of the body's organs and tissues. They have the same number of chromosomes in their nucleus. A. crossing over in Prophase I of meiosis
B. independent assortment in Metaphase I of meiosis
C. fertilization
D. All of the choices are sources of genetic variation. Consider that all other relevant characteristics are similar between these species. The function does not include growth of the individual. All of the following are true concerning Down syndrome EXCEPT Explain. Which of the following are the critical checkpoints during interphase? Meiosis I. Meiosis is preceded by an interphase consisting of the G 1, S, and G 2 phases, which are nearly identical to the phases preceding mitosis. What structure is produced during meiosis 1 in male? e. only B and C are correct. B) in 23% of cases, the sperm contributes the extra chromosome. Sources of genetic variation in a sexually reproducing population include(s) which of the following? It is carried out in all tissues that require cell replacement. D. It regularly produces a wider array of adaptations to the internal environment (disease agents, parasites) in a shorter period of time. To what does the term chiasma refer? D) During anaphase I of meiosis, the homologues pairs separate; during anaphase of mitosis, the homologous pairs stay together. the primitive streak occurs in the morula stage of the embryonic development. e.) the spindle is or Select all that apply. C) They use meiosis in order to produce the gametes. E) None of the choices are true. during which stage of meiosis does homologue separation occur? For this reason, meiosis I is referred to as a reduction division. Meiosis I DNA replication precedes the start of meiosis I. Prophase I. A. crossing over of homologous chromosomes
B. crossing over of sister chromatids
C. the random alignment of the chromosomes during metaphase I
D. the combination of sperm and egg genes. E) None of the choices are sources of genetic variation. A. The zona pellucida: Is synthesized by the oocyte during oogenesis. C. 22. c. a fertilized egg is known as a zygote If the diploid number of chromosomes for an organism is 52, what will the haploid number of chromosomes be? There is only one chromosome of each type in each body cell, In the bone marrow, stem cells produce erythrocytes which lose their nucleus and function for a few months in the bloodstream before they die. A) The gametes are the haploid phase of the animals' life cycle. Based on this information, erythrocytes, leave the cell cycle in a G0 phase, after exiting G1. 120 seconds. b) homologous pairs separate during meiosis I. c) one cell produces four cells. Normal, because they have a normal amount of genetic material, Pair the disease with its chromosomal abnormality A) gametogenesis.B) oogenesis.C) pangenesis.D) spermatogenesis. A) another name for an egg cell. The species is probably going extinct. Answer to: What is the key difference between mitosis and meiosis? Crossing over is a cellular process that happens during meiosis when chromosomes of the same type are lined up. ; Once movement is complete, each pole has a haploid number of chromosomes. Explain. Only one of the four daughter cells becomes a functional gamete in spermatogenesis. The risk of nondisjunction increases with the age of . D) In mitosis, the daughter cells are genetically identical. In meiosis, daughter cells are haploid. A) the process of fertilization There is a species of desert lizard where only females are known to exist-there are no males known. A. There is a species of desert lizard where only females are known to exist-there are no males known. What change(s) from regular meiosis (in preparation for fertilization) would be required to produce this system? d.) chromosomes replicate. True or False, Jacobs Syndrome, XYY, results from nondisjunction during spermatogenesis. C. ocyte. the daughter cells have only half the chromosomes of the parent cell. E. Homologues interact with the spindle as if they were one chromosome. A. Cytokinesis (4) Power of adaptability in diverse habitat. In meiosis, the daughter cells are genetically identical. c. reproduction in some species Which of the following events occurs first during meiosis? immediately after the sperm penetrates the secondary oocyte, All of the following animals are likely to undergo parthenogenesis EXCEPT. All of the following are true for meiosis EXCEPT *. C. It regularly produces a wider array of adaptations to the external environment in a shorter period of time. C. Sister chromatids separate during anaphase II while homologous chromosomes separate during anaphase I.
D. The cell undergoing anaphase II is genetically different from what it contained while undergoing anaphase I. Sex chromosome aneuploids are better tolerated and have a better chance of producing survivors. It requires the development of organs such as the uterus, which are of no immediate survival advantage to the individual but are advantageous to the species. D. It increases chromosome condensation. C) The products of the haploid phase of the life cycle are larger than those of the diploid phase. A lattice holds the members of a bivalent together in such a way that the RNA of the nonsister chromatids is aligned. The cell formed through fertilization of an egg by a sperm is called a/an. In meiosis, the daughter cells are genetically identical. Which statement is NOT true about homologous chromosomes in meiosis I? Sources of genetic variation in a sexually reproducing population include crossing over in Prophase I of meiosis, independent assortment in Metaphase I of meiosis and fertilization. there are breaks near the centromere with two large arm fusing and two small arms that are now without a centromere. D. Klinefelter syndrome. Which of the following is NOT true about daughter cells of mitosis or meiosis? If a parent cell has 48 chromosomes, how many chromosomes will each daughter cell have after mitosis and cytokinesis occurs? A) species X and Y will have an equal chance of surviving. During which stage of meiosis does crossing-over occur? Monosomy occurs when an individual has only one of a particular type of chromosome. Erythrocytes never divide. Where in the human male does spermatogenesis occur? Which of the following is NOT true about daughter cells of mitosis or meiosis? This statement is: - True the inclusion of the centromere in the inversion, Which of the following terms can be used to describe Down syndrome? A. gametogenesis. C. Spermatogenesis in males results in four functional sperm while oogenesis in females results in only one egg and three structures that contain genetic information that is lost when they disintegrate. D) They will have a haploid and diploid phase of the life cycle. B) a precursor cell that becomes an egg cell. The polar body is All of the choices are true about sexual reproduction. D) prophase II It is not true that anaphase I occurs in a haploid cell while anaphase II occurs in a diploid cell. Today we know that
A. offspring will be identical to one another and demonstrate traits exactly halfway between the parents' traits. C. Each homologue's centromere splits to form two chromosomes. The process includes two chromosome divisions and produces four haploid, n cells. C) telophase II Chromosome disorders can be divided into two categories: abnormalities in chromosome number and chromosome structural rearrangements. b. independent assortment in metaphase 1 of meiosis Females are short with a broad chest and widely spaced nipples. The two cells formed are the secondary oocyte, which receives almost all the cytoplasm and a polar body, which is much smaller. Meiosis occurs during all of the following EXCEPT A. gametogenesis. Mitosis is the process by which most cells in the body divide, involves a single round of cell division, and produces two identical, diploid daughter cells. There is one chance in 23 of getting identical sets of chromosomes from one parent , times two because there are two parents ; therefore , two siblings out of 46 will be identical except for the extent of crossing - over . Which statement is NOT true about homologues in meiosis I? (3) Domestication by man. They are caused by nondisjunction, which occurs when pairs of homologous chromosomes or sister chromatids fail to separate during meiosis. A) The species is probably going extinct. B) in 23% of cases, the sperm contributes . e. none of the choices are true. D. During anaphase II, the sister centromeres fail to separate and daughter cells will not form. Meiosis produces four haploid daughter cells, includes two nuclear division and the formation of bivalents. Expert solutions for 22. Which of the following steps would NOT lead to variation of genetic material? Primary nondisjunction occurs during meiosis II when the sister chromatids fail to separate and both daughter chromosomes go in the same gamete. the nucleolus can no longer be seen. Figure 1. A. prophase I of meiosis I
B. anaphase I of meiosis II
C. telophase I of meiosis I
D. prophase II of meiosis II
E. anaphase II of meiosis I. Homologous chromosomes are similar in all of these characteristics EXCEPT:
A. similar in size. HD, Pair the disease with its chromosomal abnormality Group of answer choices A) twice the number of cells are produced in meiosis than mitosis B) meiosis is involved in the production of gametes, unlike mitosis C) crossing over occurs in meiosis I but not meiosis II or mitosis D) meiosis and mitosis both produce cells that are genetically identical E) in both . Mitosis uses a diploid (2n) parent cell to form daughter cells containing a haploid number(n) of chromosomes. (1) Property of producing large number of seeds. True or False, A change in the chromosomes number resulting from nondisjunction is called euploidy C) During prophase II of meiosis, the homologous chromosomes cross-over; there is no crossing-over during prophase of mitosis. B) Meiosis produces gametes with the haploid . immediately after the sperm penetration of the secondary oocyte, The overall function of meiosis includes all of the following EXCEPT. A) gamete production. Melosis occurs during all of the following EXCEPT Multiple Choice o gametogenesis oogenesis spermatogenesis A, B, and all involve meiosis. C. Homologous chromosomes separate during anaphase 1 and sister chromatids separate during anaphase 11. down syndrome with ______________________, ____________ results in the mildest symptoms, a small amount of amniotic fluid, which contains fetal tissues, is sampled from the amniotic sac, A tiny tissue sample is taken from the villi of the chorion, Which has a higher miscarriage rate, CVS or amniocentesis, Which test can be done sooner, CVS or amniocentesis, principles of fetal trisomy 21 testing from a maternal blood sample using DNA sequencing, Partial translocations in what disorder allow us to map locations of parts of the disorder. B) It increases the likelihood that daughter cells contain different genetic material. Which of the following is NOT a difference between anaphase I and anaphase II? True or False, During the formation of an embryo, the hollow ball of cells having a fluid-filled cavity is called a, Gastrulation leads to formation of the tissue stage of development called, The opening that leads to the archenteron of an embryo is called, Theis the solid ball of cells that develop as a result of cleavage, David N. Shier, Jackie L. Butler, Ricki Lewis, Charles Welsh, Cynthia Prentice-Craver, David Shier, Jackie Butler, Ricki Lewis. During meiosis, cells undergo two rounds of nuclear and cell division, but only one round of DNA synthesis. B) prostate gland C. Familial Down syndrome During ________, the homologous chromosome pairs independently align themselves at the equator of the cell. Jacobs syndrome, XYY, results from nondisjunction during spermatogenesis. To what does the term chiasma refer? B) They carry the same alleles for all traits. Before the time of Gregor Mendel and genetics, sexual reproduction was thought to produce a blending or equal mixing of the parents' traits. B ) All siblings from the same parents are identical to each other and demonstrate traits that are exactly halfway between their parents ' traits . Primary nondisjunction occurs during meiosis II when the sister chromatids fail to separate and both daughter chromosomes go in the same gamete. 5) Select the statement which is FALSE. The following are the events happen during Meiosis I EXCEPT: A. Synapsis occurs only in meiosis I.
Mary Elizabeth Wheatley Grice, Articles M
Mary Elizabeth Wheatley Grice, Articles M