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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
Gene for colourblindness is located on
  • A
    Homologous part of $X$-chromosome
  • ✓
    Non-homologous part of $X$-chromosome
  • C
    Homologous part of $Y$-chromosome
  • D
    Non-homologous part of $Y$-chromosome
✓

Answer

Correct option: B.
Non-homologous part of $X$-chromosome
b
(b)Gene for colour blindness is located on the nonhomologous part of $x$-chromosome. It is a sex linked recessive disease.

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