Multiple Choice
During meiosis, what is the primary event that occurs during telophase I?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
In meiosis I, what is the primary outcome of the division?
A
Sister chromatids separate to form two haploid cells with unduplicated chromosomes.
B
Two haploid cells are produced, each with duplicated chromosomes (sister chromatids still joined).
C
Two diploid cells are produced, each genetically identical to the parent cell.
D
Four haploid cells are produced, each with single (unduplicated) chromosomes.
Verified step by step guidance1
Recall that meiosis consists of two sequential divisions: meiosis I and meiosis II, each with distinct outcomes.
Understand that meiosis I is called the reductional division because it reduces the chromosome number by half, separating homologous chromosomes.
Recognize that during meiosis I, homologous chromosomes (each consisting of two sister chromatids) are separated into two different cells.
Note that sister chromatids remain attached during meiosis I, so each resulting cell contains duplicated chromosomes (sister chromatids still joined).
Conclude that the primary outcome of meiosis I is the formation of two haploid cells, each with duplicated chromosomes, setting the stage for meiosis II where sister chromatids will separate.
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