Why did all of the F₁ offspring of Mendel's classic pea cross always look like one of the two parental varieties? A) No genes interacted to produce the parental phenotype. B) Each allele affected phenotypic expression. C) The traits blended together during fertilisation. D) One allele was dominant.

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One allele was dominant. This means that the trait represented by that allele was expressed in the offspring, while the trait represented by the recessive allele was not. As a result, all of the F1 offspring appeared to look like one of the two parental varieties, depending on whether the dominant or recessive allele was present.

Why Did All of the F1 Offspring of Mendel's Classic

Why Did All of the F₁ Offspring of Mendel's Classic