The synaptonemal complex is present in which of the following phases of the cell cycle?
The synaptonemal complex is present in which of the following phases of the cell cycle?
A . Telophase of meiosis I
B . Metaphase of meiosis II
C . Metaphase of meiosis I
D . Metaphase of mitosis
E . Telophase of meiosis II
Answer: A
Explanation:
The synaptonemal complex is the point of contact between homologous chromatids. It is formed when nonsister chromatids exchange genetic material through crossing over. Once meiosis I has completed, crossovers have resolved and the synaptonemal complex no longer exists. Rather, sister chromatids are held together at their centromeres prior to separation in anaphase II.
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