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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 man with normal vision whose father was colourblind marries with women whose father was also colourblind. Suppose their first child is daughter then what are the chances of this child to be colourblind?
  • A
    $100\, \%$
  • B
    $25 \,\%$
  • C
    $50\, \%$
  • ✓
    $0 \,\%$
✓

Answer

Correct option: D.
$0 \,\%$
d
Because in sex linked inheritance the chance of girl or female to be affected is almost nill. Generally, the females are carriers and in heterozygous condition

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