Biologymedium · Past Paper
How many types of gametes are produced by a plant with the genotype RrYy?
A2
B4
C8
D16
✓ Correct Answer: B — 4
Using the formula 2^n (where n is the number of heterozygous pairs), 2^2 = 4 types (RY, Ry, rY, ry).
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