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

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 4. principal of inheritance and variation1 Mark
MCQ
Colourblindness is caused due to
  • ✓
    Recessive female chromosome
  • B
    Dominant female chromosome
  • C
    Dominant male chromosome
  • D
    linkage
✓

Answer

Correct option: A.
Recessive female chromosome
a
Colour blindness and haemophilia are diseases caused by $X$-linked recessive genes. Colour blindness involving faulty perception of red and green light and follows an $X$-linked pattern of inheritance.

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