Principles of Inheritance and Variation · Class 12 · CBSE · Science Biology
A true-breeding tall plant is crossed with a true-breeding dwarf plant. The F2 generation is self-pollinated. Out of 1000 individuals in the F2 gener…
Practice question from Principles of Inheritance and Variation (Class 12 · CBSE · Science Biology), with the correct answer and a step-by-step solution.
medium · MCQ · Q-3AF913
A true-breeding tall plant is crossed with a true-breeding dwarf plant. The F2 generation is self-pollinated. Out of 1000 individuals in the F2 generation, how many are expected to be heterozygous tall?
- A.250
- B.500Correct answer
- C.750
- D.1000
Solution
In a monohybrid cross F2 generation, the genotypic ratio is () : () : (). Therefore, of 1000 individuals, which is 500, will be heterozygous ().
More from Principles of Inheritance and Variation
- A cross between a red-flowered snapdragon (Antirrhinum majus) and a white-flowered snapdragon yielded pink flowers in the F1 generation. Wh…
- Which of the following conditions correctly describes the chromosomal aberration responsible for Down's syndrome?
- In a dihybrid cross involving two linked genes, the frequency of recombinant types is generally:
- ABO blood grouping in humans is an example of which of the following genetic phenomena?
Practise more Biology
Sign up free for adaptive practice on this chapter, with instant feedback and hints on every question.
Start practising freeFree to start · No credit card needed