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In a monohybrid cross of Tt × Tt, the F2 PHENOTYPIC ratio is:
A$1:2:1$
B$9:3:3:1$
C$3:1$
D$1:1$
Answer & Solution
Correct answer: C. $3:1$
Monohybrid F2 phenotypic ratio = 3:1 (3 dominant : 1 recessive). Genotypic ratio is 1:2:1 (TT:Tt:tt). 9:3:3:1 is dihybrid F2; 1:1 is test cross result.
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