What is the phenotype ratio of a cross between two individuals heterozygous for a single trait (Gg x Gg) assuming complete dominance?

  1. 1:1
  2. 1:2:1
  3. 3:1
  4. 4:0

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The genotypes are GG, Gg, Gg, gg. Since GG and Gg show the same trait, the ratio is 3 dominant to 1 recessive.
35 / 50 (70%)
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