Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows a cross in which the probability of offspring will have red eyes is 100 percent?

Question

Revolt · Accepted Answer

Image with description 2 by 2 Punnett square. Columns labeled X superscript lowercase r and Y. Rows labeled X superscript uppercase R and X superscript uppercase R. Cells show X superscript uppercase R X superscript lowercase r, X superscript uppercase R Y, X superscript uppercase R X superscript lowercase r, and X superscript uppercase R Y.

Pretest

Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows a cross in which the probability of offspring will have red eyes is 100 percent?

More from this Course