Answered: Meiosis is a necessary part of sexual…

Meiosis is a necessary part of sexual reproduction because it_____ . a. divides two nuclei into four new nuclei b. reduces the chromosome number for gametes c. gives rise to new alleles

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter7: The Cellular Basis Of Inheritance

Section: Chapter Questions

Problem 5RQ: Meiosis produces daughter cells. a. two haploid b. two diploid c. four haploid d. four diploid

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Question

Meiosis is a necessary part of sexual reproduction
because it_____ .
a. divides two nuclei into four new nuclei
b. reduces the chromosome number for gametes
c. gives rise to new alleles

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When does DNA replication take place regarding meiosis? DNA replication___ (select one) A. Occurs between meiosis I and meiosis II B. occurs during Prophase I C. occurs before meiosis I begins D. does not take place in cells best into undergo meiosis
Genetic variation from meiosis is generated during ________. a. both meiosis I and meiosis II b. meiosis II c. meiosis I
Meiosis usually produces ________ daughter cells. a. two haploid b. two diploid c. four haploid d. four diploid
The part of meiosis that is similar to mitosis is ________. a. meiosis I b. anaphase I c. meiosis II d. interkinesis
The dividing cells shown in the picture would be in _?_ of _?_. Assume that the starting cell was diploid and it was 2n=4. A. Metaphase, mitosis B. Metaphase, meiosis I C. Metaphase, meiosis II D. Anaphase, meiosis I E. Anaphase, mitosis
The part of meiosis that is similar to mitosis is________.a. meiosis Ib. anaphase Ic. meiosis IId. interkinesis
Crossing over mixes up_____ . a. chromosomes c. zygotes b. alleles d. gametes
Meiosis_______ . a. occurs only in animals b. supports growth and tissue repair in multicelled species c. gives rise to genetic diversity among offspring d. is part of the life cycle of all cells
In meiosis _______ are separated during anaphase I, and _______ are separated during anaphase II
Nondisjunction in meiosis can result in_____ . a. base-pair substitutions c. crossing over b. aneuploidy d. pleiotropy
Which of the following mechanisms contributes to genetic variation through sexual reproduction via the random orientation of pairs of homologous chromosomes at metaphase of meiosis I? A. crossing over B. random fertilization C. independent assortment of chromosomes D. cytokinesis
Gametogenesis is d. The process of gamete formation which goes through one division of meiosis Oc. The process of gamete formation which goes through one division of mitosis b. The process of gamete formation where the number of chromosomes is halved for 23 chromosomes a. The process of gamete formation where the number of chromosomes is doubled for 46 chromosomes None of the choices are correct Question 3 or False: Meiosis undergoes two sets of divisions.