Q.

Select the correct statement from the following.

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a

Pachytene is characterized by the formation of synaptonemal complex.

b

In leptotene stage the chromosomes become gradually visible under light microscope.

c

During zygotene the heterologous chromosome shows pairing.

d

Chiasmata is a J-shape structure formed in diplotene.

answer is A.

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Detailed Solution

Visibility of chromosomes is clear in leptotene under light microscope. During zygotene the homologous chromosome shows pairing. Chiasmata is a x-shape structure formed in diplotene. Pachytene is characterized by the appearance of recombination nodules.

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