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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
Colour blindness is a disease usually affecting man but the factor for it is transmitted to the children always by woman. This is because particular factor is located on
  • ✓
    $X$ chromosome
  • B
    $Y$ chromosome
  • C
    Both $X$ and $Y$ chromosomes
  • D
    Autosome
✓

Answer

Correct option: A.
$X$ chromosome
a
It's Obvious

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