Hemophilia A is a rare genetic disorder caused by a deficiency in clotting factor VIII. It is more common among men as it is an X-linked recessive trait. It was famously present in the descendants of Queen Victoria, who passed the mutation down to several European royal families. Therefore, choice E is the correct answer.

Solved

Hemophilia a

Question 37

Multiple Choice

Hemophilia A

A) is rare in the human population.
B) is more common among men.
C) was common in the descendents of Queen Victoria.
D) is an X-linked recessive trait.
E) is all of these.

Correct Answer: