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Questions  

In a typical Mendelian dihybrid cross, one parent is homozygous for both dominant traits and another parent is homozygous for both recessive traits. In the F2 generation, both parental combinations and recombinants type appear. The phenotypic ratio of parental combinations to recombinants is

a
15 : 1
b
12 : 4
c
9 : 7
d
10 : 6

detailed solution

Correct option is D

Out of 16 individuals formed in F2, 10 have parental phenotype and 6 are recombinants. Hence the ratio is 10 : 6.

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