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kikisha kikisha
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9 years ago
Investigators crossed a strain of flies carrying the dominant eye mutation Lobe on the second chromosome with a strain homozygous for the second chromosome recessive mutations smooth abdomen and straw body. The F1 Lobe females were then backcrossed with homozygous smooth abdomen, straw body males, and the following phenotypes were observed:

smooth abdomen, straw body    820
Lobe                780
smooth abdomen, Lobe       42
straw body             58
smooth abdomen          148
Lobe, straw body          152
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Educator
9 years ago
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