alleryIn a monohybrid cross, the phenotypic ratio at F2 is:
A2 to 1
B3 to 1
C1 to 1
D9 to 1
Answer & Solution
Correct answer: B. 3 to 1
1. Three quarters of the plants show the dominant trait.
2. One quarter show the recessive one.
3. So the phenotypic ratio is 3 to 1.
_Source: syllabus Biology, Chapter 5, Principles of Inheritance and Variation._
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