Which of the following disorder is not hereditary?

Q. Which of the following disorder is not hereditary?

Q.

Colour blindness and sickle cell anaemia are examples of Mendelian disorders. True or false?

Q. Colour blindness is a sex-linked disorder.

Q. Colour blindness is a X linked recessive disorder in which the eye fails to distinguish between red and green colours. If a colour blind woman with genotype ($X^C{X}^C$) marries a normal visioned man (XY). Which among the following possibilities are true for their male children?

Q. A list of disorders is given below.