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Genetics: Inheritance and Molecular Genetics

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Multiple Choice

A cross between two snap dragon plants, one with red flowers and one with bright white flowers produces F1 offspring that are pink. When the F1 progeny are selfed a 1 : 2 : 1 ratio of red to pink to white flowers is observed. What genetic phenomenon is consistent with these results?

  1. Epistasis
  2. Incomplete dominance
  3. Dominance
  4. Codominance
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