A plant with small red flowers is crossed to a plant with large white flowers.The resulting F₁is comprised of 75 plants with small red flowers and 72 plants with small white flowers. If flower color and flower size are controlled by a single gene each,what can be concluded from these results? A)Flower color is controlled by a sex-linked gene. B)Red color and small size are dominant to white color and large size,respectively. C)Small size is dominant to large size,but we can't determine which color is dominant. D)We can't determine which color and which size are dominant. E)White color and small size are dominant to red color and large size.

Question

Quizplus · Accepted Answer

The F1 generation shows a 1:1 ratio for flower color, indicating that one color is dominant and the other is recessive, but we can't determine which is which. However, all F1 plants are small, suggesting small size is dominant over large size.

A Plant with Small Red Flowers Is Crossed to a Plant