Essentials of Genetics 9th Edition by Michael Palladino William Klug, Michael Cummings, Charlotte Spencer

Exercise 16

While vermilion is X-linked in Drosophila and causes eye color to be bright red, brown is an autosomal recessive mutation that causes the eye to be brown. Flies carrying both mutations lose all pigmentation and are white-eyed. Predict the F 1 and F 2 results of the following crosses:
(a) vermilion females? ×? brown males
(b) brown females ×? vermilion males
(c) white females ×? wild males