In Fruit Flies, an X-Linked Dominant Mutation (N) Causes Notch

Multiple Choice

In fruit flies, an X-linked dominant mutation (N) causes Notch wings in heterozygous females but is lethal in hemizygous or homozygous condition.What ratio of offspring would be observed in a cross of a Notch female with a normal male?

A) 1/3 Notch females, 1/3 normal females, 1/3 normal males
B) 1/4 Notch females, 1/4 normal females, 1/4 Notch males, 1/4 normal males
C) 1/2 Notch females, 1/2 normal males
D) 1/2 normal females, 1/2 Notch males
E) 2/3 Notch females, 1/3 normal males