📊 Biology
Q. The sex of a child is determined
  • (A) 6 7 weeks after conception
  • (B) at the time of fertilisation of the ovum
  • (C) at the time of the sperm's entry
  • (D) in the third month of pregnancy
✅ Correct Answer: (B) at the time of fertilisation of the ovum

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Ram Sharma
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