A researcher working with developing fruit flies wants to produce a fly without gametes.Which element should be targeted for destruction in the early embryo prior to gastrulation in order to achieve this?
A) Pole plasm
B) The group of nuclei at the anterior pole of the egg
C) Ectoderm
D) Anterior-most cells of the blastoderm
E) Ventral cytoplasm of the syncytium

Question

Quizplus · Accepted Answer

Pole plasm is essential for the development of the germ cells (which eventually produce gametes) in many animals, including fruit flies. Destroying the pole plasm in the early embryo would prevent the formation of germ cells, thereby producing a fly without gametes.

A Researcher Working with Developing Fruit Flies Wants to Produce