Genetics: Analysis and Principles 5th Edition by Robert Brooker

Exercise 39

In his original studies of Figure 3.18, Morgan first suggested that the original white-eyed male had two copies of the white-eye allele. In this problem, let's assume that he meant the fly was X w Y w instead of X w Y. Are his data in Figure 3.18 consistent with this hypothesis What crosses would need to be made to rule out the possibility that the Y chromosome carries a copy of the eye color gene
FIGURE 3.18 Inheritance pattern of an X-linked trait in fruit flies.