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In Drosophila That Exhibit the Lobe Eye Mutation,some Heterozygous Flies

Question 16

Multiple Choice

In Drosophila that exhibit the Lobe eye mutation,some heterozygous flies have tiny compound eyes,whereas others have large,lobulated eyes and between these extremes,there is a full range of phenotypes.This mutation is said to have:


A) Incomplete penetrance
B) Complete penetrance
C) Complete expressivity
D) Variable expressivity
E) None of these

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