In Fruit Flies, Long Wing (L) Is Dominant, Vestigial Wing

Multiple Choice

In fruit flies, long wing (L) is dominant, vestigial wing (l) is recessive, gray body (G) is dominant, ebony body (g) is recessive. Two fruit flies were mated that were long-winged with gray bodies. The genotype of these two parental flies is LlGg * LlGg. What proportion of the offspring flies would have long wings and gray bodies?

A) All offspring would be long-winged with gray bodies.
B) Nine-sixteenths of the offspring would be long-winged with gray bodies.
C) Three-fourths of the offspring would be long-winged with gray bodies.
D) Seven-sixteenths of the offspring would be long-winged with gray bodies.