Botany · Principles of Inheritance and Variation
NEET (UG) 2023 — Question 86
The phenomenon of pleiotropism refers to
- Option A:
presence of two alleles, each of the two genes controlling a single trait.
- Option B:Correct
a single gene affecting multiple phenotypic expression
- Option C:
more than two genes affecting a single character
- Option D:
presence of several alleles of a single gene controlling a single crossover.
Answer: B
Step-by-step solution
When a single gene affects multiple phenotypic expression, the gene is called pleiotropic gene and
the phenomenon is called pleiotropism.
Answer key and solution verified before publishing.
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- Exam
- NEET (UG) 2023
- Paper
- 2023 paper
- Subject
- Botany
- Chapter
- Principles of Inheritance and Variation
- Topic
- Deviation from Mendelism
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