Question

Write down the four stages involved in crossing over

Answer 1

Answer:

Stages of crossing over-

1.In zygotene substage, homologous chromosomes pair to form bivalent.2.In zygotene substage, homologous chromosomes pair to form bivalent.3.In pachytene substage, each homologous chromosome splits up into two chromatids.4.In diplotene substage, these chromatids start separating out.

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