Sun January 06, 2013 By: Ritwika Sharma

Can u plzz tell Why and how do variations occur during sexual reproduction?

Expert Reply
Sun January 06, 2013
(In addition to inaccuracies in DNA copying) In sexually reproducing organisms, variations appear due to:
i) Random separation and coming together of chromosomes during gamete formation and gamete fusion
ii) Crossing over and
iii) Mutations
Hence variations are increased by sexual reproduction.
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