In a species of fly, the allele for red eyes (R) is dominant…

In a species of fly, the allele for red eyes (R) is dominant to the allele for brown eyes (r). Red eye color in the flies is not sex-linked. Students crossed male and female flies that had red eyes and recorded the eye color of their offspring. Their data are shown below: test 4 ratio pic.png What are the most likely genotypes of the parent flies?