x)
Crossing over occurs In:
a) Zygotene
b) Leptotene
c) Pachytene
d) Diplotene
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Answers
Answered by
1
Crossing over occurs during pachytene stage between non sister chromatids of a pair of homologous chromosomes. Diplotene is characterised by appearance of chiasma marking the locations at which crossing over has already occurred in the pachytene stage.
Answered by
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Answer:
pachytene
Explanation:
Leptotene-
- Condensation and coiling of
Chromatin fibres begins during
Leptotene and Chromosomes are
formed, which are visible under
the light microscope.
Bouquet formation( telomeres of
the chromosomes get polarized
towards the centrioles)
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