In meiosis, how many rounds of cell division occur to produce haploid gametes from a diploid germ cell?
A
Three divisions
B
Two divisions (meiosis I and meiosis II)
C
One division
D
Four divisions
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1
Understand that meiosis is a specialized type of cell division that reduces the chromosome number by half to produce haploid gametes from diploid germ cells.
Recall that meiosis consists of two main rounds of division: meiosis I and meiosis II.
In meiosis I, homologous chromosomes are separated, reducing the chromosome number from diploid (2n) to haploid (n), but each chromosome still consists of two sister chromatids.
In meiosis II, the sister chromatids are separated, similar to mitosis, resulting in four haploid cells from the original diploid cell.
Therefore, the total number of cell divisions in meiosis to produce haploid gametes is two.