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Height is a characteristic resulting from polygenic inheritance. If genes at four loci code for height, what is the probability that parents with the genotypes RrSSTtUu and RrSsTtUU will have a child possessing

**8 tall alleles**?

Choose one answer.

a. 1/128

b. 1/256

c. 0

d. 1/64

2. Homework Equations [/b]

PUNNET SQUARES

3. The Attempt at a Solution [/b]

1/64

1/4 RR, 1/2 SS, 1/4 TT, 1/2 UU

1/4 * 1/2 * 1/4 * 1/2= 1/64