Colour blindness in human being is due to

Colour blindness is

A sex-linked recessive gene 'c' produces red-green colour blindness in human beings.A normal woman whose father was colour blind marries a colour blind man. Of all the girls born to these parents what percentage is expected to be colour blind ?

Colour blindness is rare in females due to its defective gene being sex linked. A colour blind girl is born will be only when :

What is the role of the gene responsible for colour blindness in a normal human beings?

Red green colour blindness in humans is governed by sex-linked recessive gene .A normal woman whose father was blind marrier a colour blind man. What proportion of their daughters is expected to be colour blind ?

Colour blindness is due to one

Genes for colour blindness in humans are carried by

Genes for colour blindness in humans are carried by