14.41 Flower Colour and Shape A botanist per- forms a secondary cross of petunias involving indepen- dent

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14.41 Flower Colour and Shape A botanist per- forms a secondary cross of petunias involving indepen- dent factors that control leaf shape and flower colour, where the factor A represents red colour, a represents white colour, B represents round leaves, and b repre- sents long leaves. According to the Mendelian 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:

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Is there sufficient evidence to refute the Mendelian model at the a = 0.01 level?

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