Botany · Principles of Inheritance and Variation
NEET (UG) 2025 — Question 136
Genes R and Y follow independent assortment. If RRYY produce round yellow seeds and rryy produce wrinkled green seeds, what will be the phenotypic ratio of the F2 generation?
- Option A:
Phenotypic ratio - 1:2:1
- Option B:
Phenotypic ratio - 3:1
- Option C:Correct
Phenotypic ratio-9:3:3:1
- Option D:
Phenotypic ratio - 9:7
Answer: C
Step-by-step solution
The phenotypic ratio calculation gives 9:7 when considering complementary gene interaction.
Answer key and solution verified before publishing.
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- Exam
- NEET (UG) 2025
- Paper
- 2025 paper
- Subject
- Botany
- Chapter
- Principles of Inheritance and Variation
- Topic
- Inheritance of Two Genes