Multiple Choice
Which feature characterizes gastrulation?
A) Increased rate of mitosis
B) Massive cell movements
C) Formation of differentiated tissues
D) Establishment of the dorsal-ventral body axis, but not the anterior-posterior axis
E) Separation of tissue layers, preventing interactions between them
Correct Answer:

Verified
Correct Answer:
Verified
Q142: Refer to the figure showing implantation in
Q143: A _ is an embryo with a
Q144: If you were interested in studying spiral
Q145: If an embryo exhibits abnormal development of
Q146: Which statement about cleavage in placental mammals
Q148: Refer to the figure showing fertilization in
Q149: At which location in the frog embryo
Q150: Both the amnion and chorion of a
Q151: Which is the correct matching of term
Q152: Which statement about frog eggs and early