NEET Biology question
Four different steps that occur during meiosis are given in the following list: (i) Complete separation of chromatids (ii) Pairing of homologous chromosomes (iii) Lining up of paired chromosomes on the equator (iv) Crossing over between chromatids
Select the correct sequential arrangement of the steps.
Answer: (C)
Solution
Homologous chromosomes first pair up (ii, at zygotene), then undergo crossing over between non-sister chromatids (iv, at pachytene), after which the paired/bivalent
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