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Mendel's Dihybrid Experiments

In a monohybr...

Question

In a monohybrid cross, what will be the total number of possible genotypes in F $_{2}$ generation?

A

9

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B

2

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C

3

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D

1

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Solution

The correct option is C 3
In a monohybrid cross, total 3 genotypes are there in F $_{2}$ generation. For example, the cross between pureline tall (TT) and dwarf (tt) plants have been shown below:

The genotypic ratio is:
TT : Tt : tt =1 : 2 : 1
Hence, the total number of different types of genotypes = 3.

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