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Height results from polygenic inheritance. If genes at 4 loci code for height, what is the probability that...

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parents with the genotypes RrSSTtUu and RrSsTtUU will have a child possessing 8 tall alleles?

a. 0

b. 1/128

c. 1/64

d. 1/256

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  1. If the dominant alleles at each locus are the tall alleles, then you would find the probability of this mating producing an offspring that is RRSSTTUU.

    Probability of RR:  1/4

    Probability of SS:  1/2

    Probability of TT:   1/4

    Probability of UU:  1/2

    Probability of RRSSTTUU is product of all of these = 1/64

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