please fill in the blanks 9. During prophase I of meiosis, these pairs form a tetrad in a process calleda) When homologous chromosomes exchange genes, it is called:b). How many daughter cells are created at the end of meiosis 1?c) During meiosis, chromosomes will split into daughter cells randomly, making each gameteunique. This ismeiosis II?called

9. During prophase I of meiosis, these pairs form a tetrad in a process called a) When homologous chromosomes exchange genes, it is called: meiosis II? b). How many daughter cells are created at the end of meiosis 1?. c) During meiosis, chromosomes will split into daughter cells randomly, making each gamete unique. This is called

9. During prophase I of meiosis, these pairs form a tetrad in a process called a) When homologous chromosomes exchange genes, it is called: meiosis II? b). How many daughter cells are created at the end of meiosis 1?. c) During meiosis, chromosomes will split into daughter cells randomly, making each gamete unique. This is called

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter11: Meiosis And Sexual Reproduction

Section: Chapter Questions

Problem 20CTQ: Explain how the random alignment of homologous chromosomes during metaphase I contributes to the...

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Explain how the random alignment of homologous chromosomes during metaphase I contributes to the variation in gametes produced by meiosis.
Which statement best describes the genetic content of the two daughter cells in prophase II of meiosis? haploid with one copy of each gene haploid with two copies of each gene diploid with two copies of each gene diploid with four copies of each gene
__1. How many sperms will be formed from 16 secondary spermatocytes? __2. If an organism’s somatic cell has 2n=8, what will be the chromosome number of its gametes (undergo meiosis I and II)?
1. How does meiosis I differ from mitosis? What about meiosis II from mitosis? difference between meiosis l and mitosis? difference between meiosis ll and mitosis? 2. What is the relationship between meiosis and fertilization? 3. If cell division during gametogenesis is non-meiotic, what is its consequence to the future generations of diploid organisms? 4. How does non-disjunction in meiosis lead to numerical chromosomal aberration?
11.What features of meiosis allow for independent assortment of chromosomes? A.separation of sister chromatids B.reduction of chromosome number from diploid to haploid C.random alignment of homologous chromosome pairs on the metaphase plate D.both the separation of sister chromatids and the reduction of chromosome number from diploid to haploid
1. What is meiosis?2. What specific cells in the body divide through this process?3. Meiosis involves two successive cell divisions. Which of the two is mitotic in nature? Why?4. What particular event in meiosis results to genetic variation? Why?5. Is there a possibility that a problem may occur at any stage of meiosis? If so, what is it and how does itaffect the organism?6. The cells produced after meiosis are haploid, how do these cells restore or maintain the normalchromosome number of the species?7. Why do you think mitosis and meiosis important in the life cycle of an organism?
__1. How many polar bodies will be produced by 32 primary oocytes considering that their meiosis II is completed?
__1. How many daughter cells will be produced if there are 20 mother cells which will undergo meiosis I and II?
1. A nondisjunction is a rare event during meiotic division wherein the homologous chromosomes fail to separate. If nondisjunction occurs in chromosome pair, what will be its effect on the gametes and the offspring in relation to the alleles present in the chromosomes?
2.) What are the three function of Meiosis cell division? What is the end result of meiosis cell division?
5.)Gametogenesis, or the formation of gametes, occurs when diploid germ cells undergo meiosis. In fruit flies (Drosophila melanogaster), diploid germ cells contain eight chromosomes. Which of the following correctly describes the number of chromosomes in the daughter cells produced during gametogenesis in fruit flies? The daughter cells each contain four chromosomes after meiosis I and four chromosomes after meiosis II. The daughter cells each contain eight chromosomes after meiosis I and eight chromosomes after meiosis II. The daughter cells each contain eight chromosomes after meiosis I and four chromosomes after meiosis II. The daughter cells each contain four chromosomes after meiosis I and two chromosomes after meiosis II.
1、During prophase I of meiosis, a homologous pair of synapsed chromosomes is called ____ and consists of___chromatids? A 、a chiasma; 4 B、a bivalent; 2 C、a tetrad;4 D、a chiasma; 2