Multiple Choice
In the process of meiosis, what is the name of the process that involves a physical exchange between chromosome segments of the bivalent?
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12. Meiosis
Introduction to Meiosis
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During which phase of meiosis does the separation of homologous chromosomes occur?
A
Prophase I
B
Metaphase I
C
Telophase I
D
Anaphase I
Verified step by step guidance1
Understand that meiosis is a type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell.
Recall that meiosis consists of two consecutive divisions: Meiosis I and Meiosis II. Each division has several phases: Prophase, Metaphase, Anaphase, and Telophase.
Focus on Meiosis I, which is the reductional division where homologous chromosomes are separated.
During Anaphase I, homologous chromosomes are pulled apart to opposite poles of the cell. This is the key event that distinguishes Anaphase I from other phases.
Recognize that the separation of homologous chromosomes during Anaphase I is crucial for reducing the chromosome number by half, setting the stage for genetic diversity in gametes.
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