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There are several methods that we can employ in this lab course to determine the

ID: 312072 • Letter: T

Question

There are several methods that we can employ in this lab course to determine the sex of Drosophila. Below is a list of traits that fruit flies may have that relate to their sex. Which of these traits is/are indicative of female fruit flies? (Select all that apply.) Genital bristles visible at the posterior end of the abdomen while flies are on their backs. No genital bristles present at the tip of the ventral surface of the abdomen Some stripes on the dorsal side of the abdomen (the back), but a solid large dark band at the tip of the dorsal side of the abdomen (the back) Striping pattern continues to the tip of the dorsal side of the abdomen (the back).

Explanation / Answer

Opion B and C are correct answers.

Female flies do not have genital bristles. they have solid large dark band at the tip of the dorsal side of the abdomen.