Colour blindness genes are located on

Answer: Option B

Colour blindness genes are located on X chromosomes. It follows X-linked recessive inheritance.
Colour blindness is the decreased ability to see colour or differences in colour. It can impair tasks such as selecting ripe fruit, choosing clothing, and reading traffic lights.
Colour blindness is a sex-linked disease. This means it is a gene that occurs only on the X chromosome, which is passed to the child by the mother. The Y chromosome, which is passed to the child by the father, does not carry the defective gene.