Multiple choice

In a married couple, an unaffected woman carries one copy of a gene mutation for an X-linked recessive disorder. She has an affected son, an unaffected daughter who carries one copy of the mutation. Which among the following X-linked recessive disorders are caused by a mutation of the Factor VIII gene in human beings?

  1. Red-green colour blindness

  2. Hemophilia A

  3. Hemophilia B

  4. X-linked agammaglobulinemia

  5. X-linked ichthyosis
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hemophilia A is a blood clotting disorder caused by the mutation of factor VIII gene and leads to the deficiency of factor VIII. It was once thought to be the royal disease found in the descendants of Queen Victoria.

Keep practicing — related questions