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During ___, chromosomes are copied once and the nucleus divides once.
mitosis
meiosis
Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
2 and 4
Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
14
The homologous chromosomes form pairs.
How is meiosis related to sexual reproduction?
mitosis
meiosis
Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
2 and 4
Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
14
The homologous chromosomes form pairs.
If a sexually reproducing organism has 28 chromosomes in its body cells, how many chromosomes did it inherit from each parent?
mitosis
meiosis
Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
2 and 4
Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
14
The homologous chromosomes form pairs.
Which pair shows the number of cells present both before and after meiosis II?
mitosis
meiosis
Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
2 and 4
Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
14
The homologous chromosomes form pairs.
How does meiosis I differ from meiosis II?
mitosis
meiosis
Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
2 and 4
Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
14
The homologous chromosomes form pairs.
During ___, chromosomes are copied once and the nucleus divides twice.
mitosis
meiosis
Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
2 and 4
Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
14
The homologous chromosomes form pairs.
Brandy knows that chromosomes behave differently in meiosis and mitosis. What do chromosomes do in meiosis but not in mitosis?
mitosis
meiosis
Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
2 and 4
Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
14
The homologous chromosomes form pairs.
How do the chromosomes at the end of meiosis I compare with the chromosomes at the end of meiosis II?
mitosis
meiosis
Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.
Chromosomes have two chromatids at the end of meiosis I and and one chromatid at the end of meiosis II.
2 and 4
Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
14
The homologous chromosomes form pairs.
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