Multiple Choice
Which feature is characteristic of birds' but not placental mammals' embryonic development?
A) The embryo forms from the epiblast.
B) Gastrulation occurs in the epiblast.
C) The hypoblast contributes to extraembryonic membranes.
D) Epiblast cells migrate through the primitive groove to become endoderm and mesoderm.
E) The blastocoel lies between the epiblast and hypoblast.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Refer to the figure showing the expression
Q3: Which statement about cleavage in placental mammals
Q4: Which statement about extraembryonic membranes of developing
Q5: Along the dorsal surface of the frog
Q6: If the placenta were to deteriorate during
Q7: Refer to the figure. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q8: In the chick embryo, which structure functions
Q9: Which feature characterizes extraembryonic membranes of chicks
Q10: In which organism does the nuclear volume
Q11: As gastrulation begins, the cells of the