Question

# During a dihybrid cross with contrasting characters in the F$$_2$$ generation parental genotypes will appear in ............. ratio.

A
116
B
216
C
316
D
916

Solution

## The correct option is B $$\dfrac{2}{16}$$The genotypic ratio in the $$F_2$$ generation for a dihybrid cross is 1:2:1:2:4:2:1:2:1 out of which 1/16 genotype is homozygous dominant and 1/16 genotype is homozygous recessive. So, the ratio of parental genotype is 2/16. So, the correct answer is option B.Biology

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