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
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.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.