[Campbell Biology P.303] Based on the diagram of meiosis, what is the key difference between... | Practice Question
Based on the diagram of meiosis, what is the key difference between Meiosis I and Meiosis II?
A: Homologous chromosomes are separated in Meiosis I, while sister chromatids are separated in Meiosis II.
B: Sister chromatids are separated in Meiosis I, while homologous chromosomes are separated in Meiosis II.
C: DNA is duplicated before Meiosis I, but not before Meiosis II.
D: Meiosis I produces two cells, while Meiosis II produces four cells.
Explanation
The diagram explicitly labels 'Meiosis I: Homologs are separated' and 'Meiosis II: Sister chromatids are separated'. This is the central event that distinguishes the two stages of meiotic division.