While Doing Field Work in Madagascar, You Discover a New

Multiple Choice

While doing field work in Madagascar, you discover a new dragonfly species that has either red (R) or clear (r) wings.Initial crosses indicate that R is dominant to r.You perform three crosses using three different sets of red-winged parents with unknown genotype and observe the following data: Which cross is likely to have at least one parent with the genotype RR?

A) Cross 1
B) Cross 2
C) Cross 3
D) Crosses 1 and 2
E) Crosses 2 and 3