In tomato plants, the trait for red-colored fruit is dominant over the trait for yellow-colored fruit. When a red tomato plant was crossed with a yellow tomato plant, only red-colored fruit were produced. Which of these best explains why only red-colored fruit were produced? a. Other plants near the parent plants prevented the yellow-colored fruit from being expressed by the offspring.
b. Only the trait for red color was passed down from parent to offspring, so only the red color was expressed by the offspring.
c. The soil in which the parent plants grew prevented the yellow-colored fruit from being expressed by the offspring.
d. Both traits were passed down from parent to offspring, but only the dominant color was expressed by the offspring