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Question
A pink flowered snapdragon plant is crossed with white flowered snapdragon plant. What would be the ratio of red, pink and white flowered plants in F1 generation?
[0.7 mark]
A pink flowered snapdragon plant is crossed with white flowered snapdragon plant. What would be the ratio of red, pink and white flowered plants in F1 generation?
[0.7 mark]
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Solution
The correct option is B Pink : White = 1 : 1
In snapdragon (Antirrhinum), flower colour shows incomplete dominance. The heterozygous condition (Rr) develops pink coloured flowers.
The cross can be represented as follows:
Out of four plants, two are pink flowered and two are white flowered. Therefore, the ratio
Pink : White = 1 : 1
In snapdragon (Antirrhinum), flower colour shows incomplete dominance. The heterozygous condition (Rr) develops pink coloured flowers.
The cross can be represented as follows:
Out of four plants, two are pink flowered and two are white flowered. Therefore, the ratio
Pink : White = 1 : 1
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