In human beings, sex is determined [MP PMT 1990]
A) Before fertilization of ovum
B) During 6th week of foetal life when androgens are produced
C) At the time of fertilization of ovum
D) During 7th and 8th weeks of foetal life when gonads differentiate into testis and ovary
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during 7 and 8 week of foetal life when gonads differentiate into testis and ovary
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D) During 7th and 8th weeks of foetal life when gonads differentiate into testis and ovary
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