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What Is Polygenic Inheritance?

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Question

What is the genotypic and phenotypic ratio of monohybrid test cross?

A

1:1

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B

1:2

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C

3:1

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D

1:2:1

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Solution

The correct option is D 1:1
F $_{1}$ generation produced by monohybrid crossing --> Tt
Test cross: Tt x tt
Gametes: T, t t
Offspring: Tt, tt
Phenotypic ratio: 1 : 1
Genotypic ratio: 1 : 1
So, option A is correct here.

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