MCQ
During anaphase-I of meiosis.
- AHomologous chromosomes separate.
- BNon-homologous chromosomes separate.
- CSister chromatids separate.
- DNon-sister chromatids separate.
Explanation:
During anaphase I, from each tetrad, two chromatids of a chromosome move as a unit (dyad) to one pole of a spindle, and the remaining two chromatids of its homologue migrate to the opposite pole. ‘Thus, the homologous chromosomes of each pair, rather than the chromatids of a chromosome, are separated. As a result, half of the chromosomes, which appear in early prophase, go to each pole. It is in the anaphase I that the actual reduction in the number of chromosomes occurs.
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