Question

A diseased man marries a normal woman and they get three daughters and five sons. All the daughters were diseased and sons were were normal. The gene of this disease is
A. Sex-linked dominant
B. Sex-linked recessive
C. Sex-limited character
D. Autosomal dominant

Answer 1

Correct Answer - A
In the given case, the gene for disease is sex-linked dominant. A single abnormal gene on the X-chromosome can cause a disease