In Drosophila, a Gynandromorph, Which Is Composed of Equal Parts

Multiple Choice

In Drosophila, a gynandromorph, which is composed of equal parts of male and female tissue, results from

A) an XX female losing one X chromosome during the first mitotic division after fertilization.
B) an egg carrying an X chromosome fertilized by a Y-carrying sperm.
C) a normal egg fertilized by both an X-carrying sperm and a Y-carrying sperm.
D) the fusion of a female embryo with a male embryo.