BIO 210 final exam genetics | Questions and Answers 100% Verified | Updated | Portage Learning
Question :In mitosis, sister chromatids separate during
______, while sister chromatids separate in ______ of meiosis.
Select one:
a.prophase; prophase I b.anaphase; anaphase I c.metaphase; metaphase I d.anaphase; anaphase II e.metaphase; metaphase II
Correct answer:D. anaphase; anaphase II
Question :Which of the following statements about cell
division are TRUE?Select one or more:
a.In mitosis, but not meiosis, the daughter cells are identical copies of the mother cell.
b.Meiosis results in the formation of gametes.c.After mitosis the daughter cells are haploid, whereas after meiosis the daughter cells are diploid.d.In meiosis, but not mitosis, there is a reduction in the amount of genetic material in the daughter cells.e.In mitosis the duplicated chromosomes line up individually at the metaphase plate, while in meiosis the duplicated chromosomes line up in homologous pairs at the metaphase plate.
Correct answer:A, B, D, E
Which of the following statements about cell division are
TRUE?Select one or more:
a.In mitosis, but not meiosis, the daughter cells are identical copies of the mother cell.b.Meiosis results in the formation of gametes.d.In meiosis, but not mitosis, there is a reduction in the amount of genetic material in the daughter cells.e.In mitosis the duplicated chromosomes line up individually at the metaphase plate, while in meiosis the duplicated chromosomes line up in homologous pairs at the metaphase plate.
Question :Which of the following statements is TRUE?Select
one or more:
a.Pairs of homologous chromosomes are held together by cohesin.b.Sister chromatids are connected by synaptonemal complex.c.Cohesin is degraded by separase in anaphase.d.Nuclear membrane breaks down during prophase.e.Homologous chromosomes have the same genes but not necessarily the same alleles.
Correct answer:C, D, E
c.Cohesin is degraded by separase in anaphase.d.Nuclear membrane breaks down during prophase.e.Homologous chromosomes have the same genes but not necessarily the same alleles.
Question :A gamete cell has 5 picograms of DNA. How much
DNA would be found in a somatic (body) cell from this organism that is in metaphase?
Select one:
a.5 picograms b.10 picograms c.20 picograms d.25 picograms e.40 picograms Correct answer:C: 20 picograms
Question :A diploid somatic cell has 16 chromosomes. At the
end of mitosis, each daughter cell would have ______ chromosomes. At the end of meiosis I, each daughter cell would have ______ chromosomes. At the end of meiosis II, each daughter cell would have ______ chromosomes
Select one:
a.16; 16; 16 b.16; 32; 16 c.16; 16; 8 d.16; 8; 8 e.8; 16; 8 Correct answer:D: 16, 8, 8