Multiple Choice
In humans, how many chromosomes are typically found in a sex cell (gamete) after meiosis is complete?
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17. Meiosis and Sexual Reproduction
Meiosis
Multiple Choice
In meiosis, how many rounds of cell division occur to produce haploid gametes from a diploid germ cell?
A
Two divisions
B
One division
C
Three divisions
D
Four divisions
Verified step by step guidance1
Understand that meiosis is a special type of cell division that reduces the chromosome number by half, producing haploid gametes from diploid germ cells.
Recall that meiosis consists of two main stages: Meiosis I and Meiosis II, each involving a round of cell division.
In Meiosis I, homologous chromosomes separate, 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 separate, similar to mitosis, resulting in four haploid cells from the original diploid cell.
Therefore, the total number of cell divisions in meiosis is two, which leads to the production of haploid gametes.
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