When Thomas Hunt Morgan crossed his red-eyed F1 generation flies to each other, the F2 generation included both red- and white-eyed flies. Remarkably, all the white-eyed flies were male. What was the explanation for this result? September 21, 2022 by 8i9x6 The gene involved is located on the Y chromosome. The gene involved is located on the X chromosome. The gene involved is located on an autosome, but only in males. Other male-specific factors influence eye colour in flies. See Answer The gene involved is located on the X chromosome.