Dihybrid crosses can be conducted with two organisms that are heterozygous for two different traits: SsYy x SsYy for example. Which genotypic ratio shows that genes in dihybrid crosses are inherited according to the principle of independent assortment?

A.

25:25:25:25
B.

50:50

C.

3:1
D.

9:3:3:1

1 answer

D.
9:3:3:1

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