Answer
Two genotypes: $w^{+}w$ females are red eyed; $w^{-}$ males are white eyed
These occur in 1:1 ratios for both phenotypes and genotypes.
Work Step by Step
To get this, just use a Punnett square for a monohybrid cross as you learned in Ch. 14. For the missing allele in the male, use a dash on that axis of the Punnett square.