Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers, and the other has white, terminal flowers; all F₁ individuals have red, axial flowers. The genes for flower color and location assort independently. Among the F₂ offspring, what is the probability of producing plants with white axial flowers?

Question

Quizplus · Accepted Answer

The F₁ generation shows that red and axial are dominant traits. In the F₂ generation, the probability of getting white flowers (recessive) is 1/4, and the probability of getting axial flowers (dominant) is 3/4. Since the genes assort independently, the probability of both occurring together is 1/4 * 3/4 = 3/16.

Two True-Breeding Stocks of Pea Plants Are Crossed