Haemophilia and colour blindness are MORE COMMON in MALES than females…

Question

Haemophilia and colour blindness are MORE COMMON in MALES than females because they are:

Accepted Answer

C. X-linked recessive disorders

X-linked recessive disorders affect males more frequently because males have only ONE X chromosome. A female needs TWO defective X copies to express; a male needs only one. Mothers can be carriers.

Answer

Autosomal dominant inheritance

Answer

Autosomal recessive inheritance

Answer

Y-linked dominant disorders