Botany-(general)

NEET Botany (general) MCQ Question

Type: MCQ-numerical-Medium-Class 12

In a monohybrid cross involving a trait controlled by a pair of alleles, if 1/4 of the offspring are homozygous dominant and 1/4 are homozygous recessive, what is the expected phenotypic ratio of dominant to recessive traits in the F2 generation?

A

3:1

B

1:1

C

1:2:1

D

2:1

Correct Answer

Option A

Detailed Explanation

In the F2 generation of a monohybrid cross, the phenotypic ratio of dominant to recessive traits is typically 3:1, as 3/4 of the offspring express the dominant phenotype due to the presence of at least one dominant allele.

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