genetics help asap 1. A pathway for biosynthesis of flower petal pigments has tw

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genetics help asap

1. A pathway for biosynthesis of flower petal pigments has two colored intermediates and a red colored end product. Flowers are white if neither pigment is made. If the unlinked genes A, B, C, and D control enzymes acting at the steps shown, and if the recessive alleles a, b, c, and d encode inactive forms of these enzymes, respectively, what phenotypic classes would appear among the progeny from inbreeding each of the four following dihybrid plants? A. AaBb B. BbCc . CcDd D. Write the probability of each of the following phenotypes from selfing of tetrahybrid AaBbCcDd slai Red Orange Blue White

Explanation / Answer

A white B Blue C Red D Red 0.25 Orange .50 Blue .25 White 0   

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