A male Flagus fly with the Barkus phenotype is crossed with a female who has the wild-type phenotype. A second cross is performed in which the female Flagus fly has the Barkus phenotype and the male has the wild-type phenotype. This second cross is known as a: A. inter-cross. B. recessive cross. C. motor-cross. D. dominant cross. E. reciprocal cross. Solution E. Reciprocal Cross.