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