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Friday, 9 October

NEET UG 2019 · Botany · Question 147

NEET 2019 Botany, question 147

Question 147 of the NEET 2019 paper (code P1) is a Botany question from Principles of Inheritance and Variation. Its idea, Incomplete Dominance, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q147 · Botany

In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F1F_1 generation, pink flowers were obtained. When pink flowers were selfed, the F2F_2 generation showed white, red and pink flowers. Choose the incorrect statement from the following :

  1. 1This experiment does not follow the Principle of Dominance.
  2. 2Pink colour in F1F_1 is due to incomplete dominance.
  3. 3Ratio of F2F_2 is 14\frac{1}{4} (Red) : 24\frac{2}{4} (Pink) : 14\frac{1}{4} (White)
  4. 4Law of Segregation does not apply in this experiment.Official answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Incomplete Dominance

No other NEET paper from 2017–2026 tested this exact idea.

Incomplete Dominance: every question and how it was framed

The chapter

Principles of Inheritance and Variation in ten years of NEET

43 questions from 2017–2026, asked in 10 of 10 papers, about 4.1 a paper. Mendelian Inheritance alone had 20.

Principles of Inheritance and Variation: questions per paper

0365’174’185’194’202’216’225’236’243’253’26