Question

select the correct answer.
a family has a y - linked disease that affects the father. what is the chance of a male offspring inheriting the same disease?
a. 100%
b. 50%
c. 25%
d. 0%

Explanation:

Y - linked diseases are passed from father to son. A male offspring receives the Y - chromosome from the father. So, if the father has a Y - linked disease, all male offspring will inherit the Y - chromosome (and thus the disease).

Answer:

A. 100%