Question : Crossing over occurs at four-strand stage. This was proved – InterviewSolution

InterviewSolution

1.	Question : Crossing over occurs at four-strand stage. This was proved by the observation that
Answer» USUALLY two gametes resulting from MEIOSIS are RECOMBINANTS All the four gametes resulting from meiosis are recombinants Chiasmata are SEEN only at four-strand stage Chiasmata are seen only at two-strand stage Answer :A

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