What is the sum total of phenotypes and genotypes in F2 generation if a character is controlled by $2$ pair of polygenes ?

13

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12

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14

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11

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Solution

The correct option is C $14$
Number of phenotype for polygenes $= 2 n + 1$
$∴$ $2 \times 2 + 1 = 5$
Number of genotype for polygenes $= 3^{n}$
$∴$ $3^{2} = 9$
i.e., $5 + 9 = 14$ .

So, the correct answer is "14"

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Similar questions

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Which among the following statements is/are correct with respect to the law of dominance?

A. Each character is controlled by pair of discrete units called factors.

B. In a dissimilar pair of factors one is dominant and the other is recessive.

C. It explains the expression of one trait in $F_{1}$ and both traits in $F_{2}$ generation.

D. Explains the proportion of phenotypes, 3:1 obtained in $F_{2}$ generation.

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