Suppose that investigators crossed the strain of flies, Ask an Expert

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Suppose that investigators crossed the strain of flies carrying dominant eye mutation Lobe on second chromosome with the strain homozygous for second chromosome recessive mutation smooth abdomen and straw body. The F1 Lobe female were then back crossed with the homozygous smooth abdomen, straw body males and 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

a) Provide the gene order and map units between these three loci.

b) What is coefficient of the coincidence?

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Category:- Biology
Reference No.:- M915157

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