Punnett Squares

Punnett Squares are one way you can find out someones genetics. The top letters are the mothers, and the left side ones are the fathers. The D stands for dimples this would be a Punnett square for me. The capital D says that dimples are the dominate gene, but the lower case one says that that's the resistive trait. So the D cancels out the other d there for I end up having dimples.

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