1. Tardigrade
  2. Question
  3. Biology
  4. Statement I: The sex of the baby is determined by the father and not by the mother. Statement II: 50 percent of sperms carry X chromosome and other 50 percent carry the Y.

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Q. Statement I: The sex of the baby is determined by the father and not by the mother.
Statement II: $50$ percent of sperms carry $X$ chromosome and other $50$ percent carry the Y.

Human Reproduction

Solution:

50 percent of sperms carry the X chromosome while the other 50 percent carry the Y. After fusion of the male and female gametes, the zygote would carry either XX or YY depending on whether the sperm car rying X or Y fertilised the ovum.
• Sex of the baby is determined by the father and not by the mother