Use the following information to answer the following questions.
In Drosophila after ~100 minutes postfertilization, the embryo looks like the following diagram, with all nuclei having moved to the periphery and, subsequently, four of the nuclei being sequestered at the posterior end.

Drosophila embryo after about 2 hours.
-The four sequestered cells at one end are most probably destined to become
A) the legs of the adult fly.
B) the germ cells of the adult.
C) mouthparts.
D) antennae.
E) wing primordial.

Question

Use the following information to answer the following questions.
In Drosophila after ~100 minutes postfertilization, the embryo looks like the following diagram, with all nuclei having moved to the periphery and, subsequently, four of the nuclei being sequestered at the posterior end.
  
Drosophila embryo after about 2 hours.
-The four sequestered cells at one end are most probably destined to become
A) the legs of the adult fly. 
B) the germ cells of the adult. 
C) mouthparts. 
D) antennae. 
E) wing primordial.

Quizplus · Accepted Answer

The four sequestered cells at the posterior end of the embryo are known as pole cells or primordial germ cells, which are the precursors to the germ cells of the adult fly.

Use the Following Information to Answer the Following Questions