Principle of Inheritance and VariationHard

Question

A plant of F1 -generation has genotype ″AABbCC″.On selfin of this plant, the phenotypic ratio in F2-generation will be

Options

A.3 : 1
B.1 : 1
C.9 : 3 : 3 : 1
D.27 : 9 : 9 : 9 : 3 : 3 : 3 : 1

Solution

Since AABbCC contains only one heterozygous alleli pair ′Bb′, the cross would behave as monohybrid cross leading to 3 : 1 phenotypic ratio in F2.
     
phenotypic ratio is 3 : 1

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