Some Forms of Cleft Palate Are Caused by Recessive Alleles

Multiple Choice

Some forms of cleft palate are caused by recessive alleles of a gene on the X chromosome.In an Icelandic population,3.6 * 10^-3 of the females have this form of cleft palate.What proportion of the males would you expect to be affected,assuming Hardy-Weinberg equilibrium?

A) 1.3 *10^-5
B) 3.6 *10^-3
C) 1.6 *^-3
D) 6.0 *10^-2
E) 0