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Biology

Dihybrid Cross

A pea plant w...

Question

A pea plant with blue colour flower BB is cross-breed with a pea plant with white flower denoted by ww.
What will be the percentage of plants bearing white flower in F $_{2}$ generation, when the flowers of F $_{1}$ plants were selfed?

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Solution

The cross can be represented as shown in the figure.
Phenotypic ratio of blue and white flowers in F2 generation is 3 : 1
So, percentage of plants bearing white flowers in F2 generation = 1/4 x 100 = 25%

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A pea plant with blue colour flower BB is cross-breed with a pea plant with white flower denoted by ww.What will be the percentage of plants bearing white flower in F2 generation, when the flowers of F1 plants were selfed?

The cross can be represented as shown in the figure.Phenotypic ratio of blue and white flowers in F2 generation is 3 : 1So, percentage of plants bearing white flowers in F2 generation = 1/4 x 100 = 25%

A pea plant with blue colour flower BB is cross-breed with a pea plant with white flower denoted by ww.
What will be the percentage of plants bearing white flower in F $_{2}$ generation, when the flowers of F $_{1}$ plants were selfed?

The cross can be represented as shown in the figure.
Phenotypic ratio of blue and white flowers in F2 generation is 3 : 1
So, percentage of plants bearing white flowers in F2 generation = 1/4 x 100 = 25%