Biologymedium · Past Paper
What is the phenotypic ratio of a Mendelian monohybrid cross in the F2 generation?
A1:2:1
B3:1
C9:3:3:1
D1:1
✓ Correct Answer: B — 3:1
The F2 phenotypic ratio of a monohybrid cross is 3 dominant (tall) to 1 recessive (dwarf).
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