Home Biology Principles of Inheritance and Variation Previous Year Questions In Antirrhinum (Snapdragon), a red flower wa…
Biology Principles of Inheritance and Variation Previous Year Questions Single Correct MCQ
Published on: August 21, 2026

In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in generation pink flowers were obtained. When pink flowers were selfed, the generation showed white, red and pink flowers. Choose the incorrect statement from the following :

A
This experiment does not follow the principle of dominance.
B
Pink colour in is due to incomplete dominance.
C
Ratio of is (Red) : (Pink) : (White)
D
Law of segregation does not apply in this experiment

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The correct answer is:

                    

Genes for flower colour in snapdragon shows incomplete dominance which is an exception of Mendel's first principle, i.e., law of dominance. Here, the had a phenotype that did not resemble either of the two parents and was in between the two.
Law of segregation is universally applicable.

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