(2.2) Reproduction And Heredity: Question Preview (ID: 17490)


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During ___, chromosomes are copied once and the nucleus divides twice.
a) mitosis b) meiosis c) telophase d) interphase
Brandy knows that chromosomes behave differently in meiosis and mitosis. What do chromosomes do in meiosis but not in mitosis?
a) Each chromosome makes a copy. b) The homologous chromosomes form pairs. c) Chromosomes line up in the middle of the cell. d) Chromosomes condense or shorten up before cell division begins.
How does meiosis I differ from meiosis II?
a) The sister chromatids separate during meiosis I, but not during meiosis II. b) The homologous chromosomes pair up during meiosis II, but not during meiosis I. c) Two sex cells are produces as a result of meiosis II, but not as a results of meiosis I. d) Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
How is meiosis related to sexual reproduction?
a) Meiosis allows the offspring produces during sexual reproduction to grow and develop. b) Meiosis joins together the sex cells during sexual reproduction to produce new offspring. c) Meiosis produces the sex cells that join to form new offspring during sexual reproduction. d) Meiosis produces the body cells that join to form new offspring during sexual reproduction.
How do the chromosomes at the end of meiosis I compare with the chromosomes at the end of meiosis II?
a) Chromosomes have one chromatid at the end of both meiosis I and meiosis II. b) Chromosomes have two chromatids at the end of both meiosis I and meiosis II. c) Chromosomes have one chromatid at the end of meiosis I and two chromatids at the end of meiosis II. d) Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
If a sexually reproducing organism has 28 chromosomes in its body cells, how many chromosomes did it inherit from each parent?
a) 7 b) 14 c) 16 d) 28
Which of these choices is a product of mitosis?
a) egg b) sperm c) sex cell d) skin cell
Which pair shows the number of cells present both before and after meiosis II?
a) 1 and 2 b) 1 and 4 c) 2 and 4 d) 4 and 4
How does a sex cell differ from a body cell?
a) A sex cell does not contain chromosomes. b) A sex cell contains homologous chromosomes. c) A sex cell has the same number of chromosomes as a body cell. d) A sex cell has half the amount of genetic material as a body cell.
During ___, chromosomes are copied once and the nucleus divides once.
a) mitosis b) meiosis c) telophase d) interphase
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