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Heredity and Evolution — quick quiz

5 real NSEJS questions on Heredity and Evolution. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 2

MEDIUM

In a cross between a pea plant with round seeds (RR) and a plant with wrinkled seeds (rr), all F₁ offspring have round seeds. When two F₁ plants are crossed, what fraction of the F₂ generation will be heterozygous for seed shape?