객관식
Which event occurs during Meiosis II but not during Meiosis I?
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12. Meiosis
Meiosis II
객관식
Which event occurs during Meiosis II?
A
Formation of tetrads
B
Separation of sister chromatids
C
Pairing of homologous chromosomes
D
Crossing over between homologous chromosomes
검증된 단계별 안내1
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 stages: Meiosis I and Meiosis II. Meiosis I is where homologous chromosomes are separated, while Meiosis II is similar to mitosis, where sister chromatids are separated.
Identify the key events of Meiosis I: formation of tetrads, pairing of homologous chromosomes, and crossing over between homologous chromosomes. These events do not occur in Meiosis II.
Focus on Meiosis II, which involves the separation of sister chromatids. This is the main event that distinguishes Meiosis II from Meiosis I.
Conclude that during Meiosis II, the separation of sister chromatids occurs, leading to the formation of four genetically unique haploid cells.
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