
cross a white eyed female (XrXr) with a red eyed male (XRY)
Look at #1, what percent of the offspring have red eyes?

Cross a purebred red eyed female (XRXR) and a white eyed male (XrY)
Look at #3, what percent will be white eyed male?
Look at #3, what percent will be red eyed male?

Number 8 to 12 are extra practice: You do not have to complete them, unless you need the practice.
Cross a heterozygous red eyed female (XRXr) and red eyed male (XRY)
Look at #8, what percent is a white eyed male?
Look at #8, what percent is a red eyed male?
Look at #3, what percent will be white eyed female?
Look at #3, what percent will be red eyed female?
Look at #8, what percent is a white eyed female?
Look at #8, what percent is a red eyed female?