객관식
In which process does crossing over (homologous recombination between non-sister chromatids) typically occur?
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17. Meiosis and Sexual Reproduction
Meiosis
객관식
In meiosis, how many times does a single diploid cell divide to produce haploid cells?
A
Two divisions (meiosis I and meiosis II)
B
One division
C
Four divisions
D
Three divisions
검증된 단계별 안내1
Understand that meiosis is a special type of cell division that reduces the chromosome number by half, producing haploid cells from a diploid cell.
Recall that meiosis consists of two main stages: meiosis I and meiosis II, each involving one round of cell division.
In meiosis I, homologous chromosomes are separated, reducing the chromosome number from diploid to haploid.
In meiosis II, the sister chromatids are separated, similar to mitosis, resulting in four haploid daughter cells.
Therefore, a single diploid cell undergoes two divisions during meiosis to produce haploid cells.
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