Soon after the coelom begins to form, a researcher injects a dye into the coelom of a deuterostome embryo. Into which of the following structures would you expect the dye to flow?
A) blastopore
B) blastocoel
C) archenteron
D) hemocoel

Question

Quizplus · Accepted Answer

In deuterostomes, the coelom typically forms from pockets that pinch off from the archenteron, which is the embryonic precursor to the gut. Therefore, injecting dye into the coelom of a deuterostome embryo would most likely result in the dye flowing into the archenteron.

Soon After the Coelom Begins to Form, a Researcher Injects