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.

Question

Quizplus · Accepted Answer

Gynandromorphs in Drosophila can result from an XX female losing one X chromosome during the first mitotic division after fertilization, leading to a mosaic organism with both male (XO) and female (XX) cells.

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