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What phenotypic ratio results in the F2 of a snapdragon red x white cross?
A1:2:1 red-pink-white
B3:1 red to white
C9:3:3:1 four colours
D1:1 pink to white
Answer & Solution
Correct answer: A. 1:2:1 red-pink-white
The F2 shows 1 RR red, 2 Rr pink and 1 rr white, so phenotype ratio equals genotype ratio.
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