Mendel Accounted for the Observation That Traits Which Had Disappeared

question 82

Multiple Choice

Mendel accounted for the observation that traits which had disappeared in the F₁ generation reappeared in the F₂ generation by proposing that

• A)new mutations were frequently generated in the F₂ progeny, "reinventing" traits that had been lost in the F₁.
• B)the mechanism controlling the appearance of traits was different between the F₁ and the F₂ plants.
• C)traits can be dominant or recessive, and the recessive traits were obscured by the dominant ones in the F₁.
• D)the traits were lost in the F₁ due to blending of the parental traits.
• E)members of the F₁ generation had only one allele for each character, but members of the F₂ had two alleles for each character.

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