Botany-Incomplete Dominance

NEET Botany Incomplete Dominance MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of the following statements about incomplete dominance in snapdragons is correct?

A

The F1 generation exhibits a phenotype that is a blend of the two parental traits.

B

The F2 generation shows a 3:1 ratio of phenotypes in favor of the dominant trait.

C

The modified allele is always dominant over the unmodified allele.

D

The presence of a non-functional enzyme leads to the dominant phenotype.

Correct Answer

Option A

Detailed Explanation

In incomplete dominance, such as in the case of snapdragons, the F1 generation displays a phenotype that is intermediate between the two parents (pink flowers from red and white parents). This contrasts with the typical dominance observed in Mendelian genetics.

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