A Single Pair of Genes Controls Red Versus Blue Flower

question 48

Multiple Choice

A single pair of genes controls red versus blue flower color in larkspurs, and red is dominant phenotype.Which of the following phenotypes should occur in the F₃ generation if the parental generation was pure breeding strains for red and blue phenotypes?

• A) All blue
• B) All purple
• C) Red and blue
• D) Red, purple, and blue
• E) All red