Suppose That Tall Plants Are Crossed with Short, and the Progeny

question 242

Multiple Choice

Suppose that tall plants are crossed with short, and the progeny are medium height.The F₁ plants are then crossed, and the progeny among the F₂ have many more size classes (9) than what is typically seen in crosses involving a single gene (fewer than 4) .Which is the best explanation for this outcome?

• A) The existence of pleiotropic alleles
• B) Incomplete dominance
• C) Codominance
• D) Epistasis
• E) Multiple alleles

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