Multiple Choice
In humans, haploid cells contain how many chromosomes in each cell?
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12. Meiosis
Introduction to Meiosis
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In which phase of meiosis does the separation of homologous chromosomes occur?
A
Metaphase I
B
Telophase I
C
Anaphase I
D
Prophase I
Verified step by step guidance1
Understand the process of meiosis, which consists of two consecutive divisions: Meiosis I and Meiosis II. Each division has several phases: Prophase, Metaphase, Anaphase, and Telophase.
Focus on Meiosis I, where homologous chromosomes are separated. This is different from Meiosis II, where sister chromatids are separated.
Recall the sequence of phases in Meiosis I: Prophase I, Metaphase I, Anaphase I, and Telophase I.
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.
Review the role of spindle fibers during Anaphase I, which attach to the centromeres of homologous chromosomes and facilitate their separation.
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