In fruit flies long wing (L) is dominant vestigial wing (l) is recessive gray bo

Question

In fruit flies long wing (L) is dominant vestigial wing (l) is recessive gray body (G) is dominant ebony body is recessive. two fruit flies were mated that were long-winged gray bodies. The genotype of these two parental flies is LlGg x 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) 9/16 of the offspring would be long-winged with gray bodies
C) 3/4 of the offspring would be long-winged with gray bodies
D) 7/16 of the offspring would be long-winged with gray bodies

Explanation / Answer

LG Lg lG lg LG LLGG Long wings, gray body LLGg Long wings, gray body Long wings, gray body LlGG Long wings, gray body Long wings, gray body LlGg Long wings, gray body Long wings, gray body Lg LLGg Long wings, gray body Long wings, gray body LLgg LlGg Long wings, gray body Long wings, gray body Llgg lG LlGG Long wings, gray body Long wings, gray body LlGg Long wings, gray body Long wings, gray body llGG   llGg LlGg
Long wings, gray body llGg
B) 9/16 of the offspring would be long-winged with gray bodies. LG Lg lG lg LG LLGG Long wings, gray body LLGg Long wings, gray body LlGG Long wings, gray body LlGg Long wings, gray body Lg LLGg Long wings, gray body LLgg LlGg Long wings, gray body Llgg lG LlGG Long wings, gray body LlGg Long wings, gray body llGG   llGg lg LlGg
Long wings, gray body Llgg llGg
llgg

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