The colour blindness is more likely to occur in males than in females because

Question

The colour blindness is more likely to occur in males than in females because (A) the Y-chromosome of males have the genes for distinguishing colours (B) genes for characters are located on the sex- chromosomes (C) the trait is dominant in males and recessive in females (D) none of the above.

Tardigrade Admin · Accepted Answer

Colourblindness is the inability of certain human beings to distinguish red from green colour. It is produced by a recessive gene which lies on X chromosome. A marriage between normal visioned man (XY) and colourblind women (XCXC), results in colourblind sons (XCYC) and carrier daughters (XXC)

Q. The colour blindness is more likely to occur in males than in females because

the Y-chromosome of males have the genes for distinguishing colours

genes for characters are located on the sex- chromosomes

the trait is dominant in males and recessive in females

none of the above.

Colourblindness is the inability of certain human beings to distinguish red from green colour. It is produced by a recessive gene which lies on X chromosome. A marriage between normal visioned man (XY) and colourblind women (X^CX^C), results in colourblind sons (X^CY^C) and carrier daughters (XX^C)