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STD 12 - 4. principal of inheritance and variation — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 4. principal of inheritance and variation1 Mark
MCQ
$A$ : Turner's syndrome generally does not occur in males.
$R$ : Foetus with $44 + YO$ complement generally dies.
  • ✓
    Assertion and Reason both are correct and also correct explanation.
  • B
    Assertion and Reason both are correct but not explanation of assertion.
  • C
    Assertion is correct, but Reason is incorrect.
  • D
    Both Assertion and Reason are incorrect.
✓

Answer

Correct option: A.
Assertion and Reason both are correct and also correct explanation.
a
Because absence of $X$ chromosome

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