Which of the following crosses would indicate that the mutants were in the same complementation group?
A) pink eye fly × pink eye fly -> pink eye fly
B) pink eye fly × pink eye fly -> all white eye offspring
C) red eye fly × red eye fly -> 3 : 1 ratio
D) pink eye fly × white eye fly -> all white eyes
E) pink eye fly × pink eye fly -> purple eye flies
Answer: A
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