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The Punnett Tool

The phenotype...

Question

The phenotype ratio 9:7 obtained in F2 generation instead of 9:3: :3:1 is due to which type of genes? Explain.

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Solution

This ratio can occur in Duplicate Recessive Epistasis [9 : 7 Ratio] in dihybrid crosses

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Similar questions

Q. Nonallelic genes having similar phenotypic effect, interact to produce a different trait and a ratio 9 : 7 in

F_{2}

The phenotypic dihybrid ratio in F2 generation is ________.

Q. Which among the following are correct statements regarding the F

_{2}

generation obtained in Mendelian dihybrid cross?
(a) Phenotypic ratio 9 : 3 : 3 : 1
(b) Genotypic ratio 4: 2: 2: 1: 2: 1: 2: 1: 1
(c)

\frac{1}{4}

plants are completely heterozygous.
(d)

F_{2}

generation is obtained through selfing of

F_{1}

Q. The phenotypic ratio obtained in the

F_{2}

generation for a dihybrid cross between round yellow seeds and green wrinkled seeds is:

On selfing a plant of $F_{1}$ generation with genotype AABbCC, the phenotypic ratio in $F_{2}$ generation will be:

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