Question

# In snapdragon, when pink flowers are crossed with white flowers then ratio of pink flowers and white flowers in the progeny is

A
10% Red
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B
Red and white in 3 : 1 ratio
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C
Pink and white in 1 : 1 ratio
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D
Pink red and white in 1 : 2 : 1 ratio
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Solution

## The correct option is C Pink and white in 1 : 1 ratio R r r Rr (pink) rr (white) r Rr (pink) rr (white)Snapdragon shows incomplete dominance where both the genes express themselves equally in the heterozygous state.The genotype of pink flowers= RrThe genotype of white flowers= rrIn above cross Rr : rr = 2 : 2 = 1 : 1Therefore, pink and white flowers are in equal proportions.So, the correct option is 'Pink and white in 1 : 1 ratio'.

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