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Multiple Choice
Segregation of alleles occurs during which of the following processes in meiosis?
A
Prophase I
B
Metaphase II
C
Telophase I
D
Anaphase I
Verified step by step guidance
1
Understand the concept of allele segregation: During meiosis, alleles segregate so that each gamete receives one allele from each pair. This is a key principle of Mendelian genetics.
Review the stages of meiosis: Meiosis consists of two rounds of division, meiosis I and meiosis II, each with several phases: prophase, metaphase, anaphase, and telophase.
Focus on Anaphase I: In meiosis I, homologous chromosomes are separated during anaphase I. This is when the segregation of alleles occurs, as each chromosome moves to opposite poles of the cell.
Differentiate between Anaphase I and Anaphase II: Anaphase I involves the separation of homologous chromosomes, while Anaphase II involves the separation of sister chromatids. Allele segregation specifically occurs during Anaphase I.
Conclude with the importance of Anaphase I: Recognize that Anaphase I is crucial for genetic diversity, as it ensures that each gamete receives a different combination of alleles.