Pathology – MCQ 91 – Inheritance of Kinky hair disease

Kinky hair disease is a disorder where an affected child has peculiar white stubby hair, does not grow, brain degenration is seen and dies by age of two years. Mrs A is hesitant about having children because her two sisters had sons who had died from kinky hair disease. Her mother’s brother also died of the same condition. Which of the following is the possible mode of inheritence in her family?
A. X-linked recessive
B. X-linked dominant
C. Autosomal recessive
D. Autosomal dominant

Correct answer : A. X-linked recessive

Only males are affected. Females are carriers.

Add a Comment

Your email address will not be published. Comments will be displayed only after moderation.

Read previous post:
pathology mcq
Pathology – MCQ 90 – Sexually under developed male with rudimentary testes

Males who are sexually under developed with rudimentary testes and prostate glands, sparse pubic and facial hair, long arms and...

Close