Multiple Choice
Which event takes place during anaphase II of meiosis II?
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12. Meiosis
Meiosis II
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What happens during Anaphase II of meiosis?
A
Chromosomes line up at the equatorial plate of the cell.
B
Homologous chromosomes are separated to opposite poles of the cell.
C
Sister chromatids are pulled apart to opposite poles of the cell.
D
The nuclear envelope re-forms around each set of chromosomes.
Verified step by step guidance1
Understand that meiosis is a type of cell division that reduces the chromosome number by half, resulting in four daughter cells. It consists of two stages: Meiosis I and Meiosis II.
Recall that Anaphase II is a phase in Meiosis II, which follows Meiosis I. During Meiosis I, homologous chromosomes are separated, but sister chromatids remain together.
In Anaphase II, the key event is the separation of sister chromatids. This is similar to Anaphase in mitosis, where the sister chromatids are pulled apart.
During Anaphase II, the spindle fibers attached to the centromeres of the sister chromatids shorten, pulling the chromatids apart toward opposite poles of the cell.
Recognize that the separation of sister chromatids ensures that each daughter cell will receive an equal and complete set of chromosomes, which is crucial for genetic diversity and proper cell function.
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