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Question

Individuals homozygous for cd genes were crossed with wild type (++) . The F1 dihybrid thus produced was test crossed. It produced progeny in the following ratio-

++900
cd880
+d115
+c105
What is distance between c and d

A
5.75 unit
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B
11 unit
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C
27 unit
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D
88 unit
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Solution

The correct option is A 5.75 unit
People homozygous for compact disc qualities were crossed with wild kind ++ the f1 dihybridtus and album qualities were crossed with wild kind ++. the f1 dihybridtus created was test crossed. it delivered descendants in the accompanying proportion ++900,+d115,cd880, c+105. The separation among c and d will be 11 unit.
So, the correct option is '11 unit'.


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