explain se× determination
please explain it in short
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male sperm contain x or y chromosomes and female egg contains xx chromosome.
when sperm containing x chromosome fertilize egg it is a girl because it is xx.
when sperm containing y chromosome fertilize egg it is a boy because it is xy
Shriabhi344:
Y do ask will anyone eat sap as breakfast
toh fir itni cute kese hoo...haha lol
Yep...
in which grade you are?
m in 10th
10th
hmm..fine
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