Principles of Inheritance and Variation Question 183
183. A diseased man marries a normal woman. They have three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is
(a) sex-linked dominant
(b) sex-linked recessive
(c) sex-linked character
(d) autosomal dominant
Show Answer
Answer : a
Hints & Solution
(a) Sex linked disorders follow criss-cross inheritance pattern in which affected father passes it on to his daughters. The daughters receive one of their $X$ chromosome from their fathers.
