Hans Spemann Called the Dorsal Lip of the Blastopore the Embryonic

Multiple Choice

Hans Spemann called the dorsal lip of the blastopore the embryonic organizer because it

A) is the point where gastrulation begins.
B) becomes part of the nervous system.
C) becomes part of the notochord.
D) leads to the establishment of the embryonic axes.
E) is the location at which the sperm enters the egg.