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Question

Separation of homologous chromosomes is termed

A
Cross over
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B
Disjunction
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C
Dispersion
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D
Bivalent formation
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Solution

The correct option is D Disjunction
Disjunction is a normal process by which the two homologs of each chromosomein a meiotic cell separate and move to different gametes. This occurs in Anaphase I of meiosis. The separated chromosomes or univalents are also called dyads because each of them consists of two chromatids which remain joined with each other at the centromere.
Therefore, the correct answer is option B.

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