Principle of Inheritance and VariationMedium
Question
Sex is determined in human beings
Options
A.by ovum
B.at the time of fertilization
C.40 days after fertilization
D.seventh to eight week when genitals differentiate in foetus
Solution
In human beings male produces two types of sperms, 50% of them carry X-chromosome and 50% have Y-chromosome.
Sex of baby depends upon which sperm fertilizes the ovum, so sex in human beings is deter mined at the time of fertilization.
Sex of baby depends upon which sperm fertilizes the ovum, so sex in human beings is deter mined at the time of fertilization.
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