alleryThe F2 phenotype ratio under incomplete dominance is:
A1 to 2 to 1
B1 to 3 to 1
C2 to 1 to 2
D3 to 2 to 3
Answer & Solution
Correct answer: A. 1 to 2 to 1
1. Self-pollinating the pink F1 gives three visible classes.
2. The F2 gives 1 red to 2 pink to 1 white.
3. The genotype ratio is as usual, but the phenotype ratio has changed from 3:1.
_Source: syllabus Biology, Ch 5 'Principles of Inheritance and Variation'_
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