Mendel Correctly Surmised That the 3 Dominant:1 Recessive Phenotypic Ratio

question 40

Multiple Choice

Mendel correctly surmised that the 3 dominant:1 recessive phenotypic ratio seen in the F₂ generation pea plants was due to

• A)a tendency to have more fertilization events yielding homozygous dominant than homozygous recessive.
• B)homozygosity.
• C)genotypic selection.
• D)random combination of sperm and egg with respect to the allele carried.
• E)certain phenotypes having a selective advantage.

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