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19 June, 15:32

In rye grass, seed color is a polygenic trait (additive model). If true-breeding red and white varieties are crossed, the F1 are intermediate in color. If the F1 are self-fertilized, about 1 in 64 have white seeds. How many loci are segregating color alleles?

a. one

b. two

c. three

d. four

e. five

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Answers (1)
  1. 19 June, 16:06
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    c. three

    Explanation:

    How many loci are segregating color alleles: Three: (1/4) ^ 3
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