Question

The phenotypic monohybrid ratio in F2 generation is:

• A. 3:1
• B. 1:3
• C. 2:2
• D. 1:2:1

Answer 1

The correct option is A

3:1

The correct option is A.

Explanation of correct option:

1. A monohybrid cross is a cross with a single trait.
2. Phenotypic traits can be observed physically.
3. The phenotype ratio is expressed as the number of offspring with dominant traits upon the number of recessive traits.
4. The ratio of phenotypic traits for a monohybrid cross is 3:1.

Final answer: The phenotypic monohybrid ratio in the F2 generation is 3:1.