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Genetic Crosses

by Anonymous · ⭐ 1 · 🍴 0

A single dominant allele is enough for the dominant trait to show. Check the phenotypes of RR, Rr and rr, read the 3 : 1 ratio of an Rr Γ— Rr cross straight off a Punnett square, then actually draw offspring and watch the observed ratio close in on theory as the sample grows.

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