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

Question

Quizplus · Accepted Answer

One allele was dominant in Mendel's experiments, which is why all of the F1 offspring resembled one of the two parental varieties. Mendel discovered that one trait would mask the other, a phenomenon now understood as dominance, where the dominant allele determines the organism's appearance.

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