TS EAMCET Medical 2017 Paper

When a white eye Drosophila male (Xr Y) is crossed to a red eye female (XRXR), in the F2 generation all the females are red eyed and 50% males are white eyed. In a criss cross test, when a white eyed female (XrXr) is crossed to a red eye male (XR Y),the F j generation offspring had white eyed males while the female offspring had red eyes. Instead of crossing of a white eyed female (XrXr) to a red eyed male (XR Y), white eye female (XrXr) to white eye male (Xr Y) is crossed, the F1 generation willhave the following phenotypes and genotype