2025 Science & Technology - Biology

A marned couple adopted a male child. A few years later. twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive. B positive, and O positive. The blood group of the adopted son is

  • O positive
  • A positive
  • B positive
  • Cannot be determined on the basis of the given data

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    2025 UPSC Science & Technology PYQ | UPSC Insights | UPSC Insights