Bio Chapter 13 Homework

Homologous chromosomes migrate to opposite poles during _____. a) anaphase I b) metaphase II c) prophase II d) metaphase I e)telophase II and cytokinesis

a)

At the end of _____ and cytokinesis there are four haploid cells. a) anaphase I b) telophase II c) prophase I d) interphase e) prophase II

b)

During _____ a spindle forms in a haploid cell. a) anaphase II b) prophase II c) metaphase II d) telophase I and cytokinesis e) prophase I

b)

During _____ chromosomes align single file along the equator of a haploid cell. a) anaphase I b) metaphase II c) metaphase I d) telophase I and cytokinesis e) prophase I

b)

Meiosis I produces _____ cells, each of which is ____. a) two... identical to the other b) two ... haploid c) two... diploid d) four ... haploid e) four ... diploid

b)

At the end of _____ and cytokinesis, haploid cells contain chromosomes that each consist of two sister chromatids. a) telophase II b) metaphase II c) telophase I d) telophase e) interphase

c)

During _____ sister chromatids separate. a) prophase II b) metaphase I c) anaphase II d) prophase I e) interphase

c)

Which statement correctly describes how cellular DNA content and ploidy levels change during meiosis I and meiosis II? a) DNA content is halved only in meiosis I. Ploidy level changes from diploid to haploid in meiosis I, and remains haploid in meiosis II. b) DNA content is halved only in meiosis I. Ploidy level changes from diploid to haploid only in meiosis II. c) DNA content is halved in both meiosis I and meiosis II. Ploidy level changes from diploid to haploid in meiosis I, and remains haploid in meiosis II. d) DNA content is halved in both meiosis I and meiosis II. Ploidy level changes from diploid to haploid only in meiosis II. e) DNA content is halved only in meiosis II. Ploidy level changes from diploid to haploid in meiosis I, and remains haploid in meiosis II.

c)

Meiosis II typically produces _____ cells, each of which is _____. a) two ... haploid b) four ... identical to the other c) two... diploid d) four ... haploid e) four ... diploid

d)