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Inheritance of Two Genes

Question

In a typical dihybrid cross what percentage of the F2 generation resembles the parental character phenotypically?

Moderate
Solution

The phenotypic ratio of  F2 generation of a typical dihybrid  cross is  9 (Parental):3 (Recombinant):3 (Recombinant):1 (parental). 
The percentage of parental character is 9+19+3+3+1=1016×100=62.5%



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Find the probability of occurrence of a progeny with Bbll genotype in the following Mendelian test cross:
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