The sex of the human baby is male if ______(a) sperm has X chromosome(b) sperm has Y chromosome(c) ovum has X chromosome(d) ovum has Y chromosomeThis question was addressed to me by my college director while I was bunking the class.My question is taken from Human Reproduction topic in section Human Reproduction of Biology – Class 12

The sex of the human baby is male if ______(a) sperm has X chromosome(

1.	The sex of the human baby is male if ______(a) sperm has X chromosome(b) sperm has Y chromosome(c) ovum has X chromosome(d) ovum has Y chromosomeThis question was addressed to me by my college director while I was bunking the class.My question is taken from Human Reproduction topic in section Human Reproduction of Biology – Class 12
Answer» The correct choice is (b) SPERM has Y chromosome Explanation: The sex in humans is determined by the sex chromosome that the male GAMETE carries. The females are XX hence MEIOSIS RESULTS in all ova having X chromosome. Males are XY and 50% sperms have X and 50% have Y. Thus the DETERMINING factor that makes a baby male is Y chromosome in the sperm.

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