NEET 2019 — Paper 2019 — Biology solution

NEET2019Paper 2019Biology

In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F₁ generation pink flowers were obtained. When pink flowers were selfed, the F₂ 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 F₁ is due to incomplete dominance.
C
Ratio of F₂ is $\frac{1}{4}$ (Red) : $\frac{2}{4}$ (Pink) : $\frac{1}{4}$ (White)
D
Law of Segregation does not apply in this experiment

Solution

Genes for flower colour in snapdragon shows incomplete dominance which is an exception of Mendel's first principle i.e. Law of dominance.

Whereas Law of segregation is universally applicable.

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