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Mendel's Monohybrid Experiments

A pea plant w...

Question

A pea plant which is homozygous for Green pods which are inflated [GGII] is crossed with a homozygous plant for yellow pods which are constricted [ggii]. Answer the following question.
Write the phenotypic ratio of the $F_{2}$ generation.

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Solution

The cross can represented as shown in the figure.
Hence, the phenotypic ratio of F2 generation will be:
Green, Inflated = 9
Green, Constricted= 3
Yellow, Inflated= 3
Yellow, Constricted= 1
i.e. 9:3:3:1

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