The number of bivalents are 20. What will be the number of chromosomes during anaphase-Il at each pole ?
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a
40
b
60
c
10
d
20
answer is D.
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Detailed Solution
The number of bivalents is 20. Then after anaphase I, the homologous chromosomes will separate and each pole will have 20 chromosomes. During anaphase II, there will be splitting of centromere and again each pole will have 20 chromosomes each.