By showing that the appearance of rare phenotypes is associated with the inheritance of particular chromosomes, Bridges proved that sex-linked genes are located on the X chromosome and that the chromosome theory of inheritance is correct.
-What was the genotype of the few F₁ red-eyed males obtained by Bridges when he crossed a white-eyed female with a red-eyed male?

Question

Quizplus · Accepted Answer

The genotype of the red-eyed males would be X⁺ Y, as the red-eye trait is dominant and located on the X chromosome.

By Showing That the Appearance of Rare Phenotypes Is Associated