Flower Color and Shape

Flower Color and Shape

A botanist performs a secondary cross of petunias involving independent factors that control leaf shape and flower color, where the factor A represents red color, a represents white color, B represents round leaves, and b represents long leaves. According to the Mend Elian model, the plants should exhibit the characteristics AB, Ab, aB, and ab in the ratio 9:3:3:1. Of 160 experimental plants, the following numbers were observed:

AB	Ab	aB	ab
95	30	28	7

Is there sufficient evidence to refute the Mend elian model at the a = .01 level?

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