Multiple Choice
Which feature is characteristic of cleavage in placental mammals?
A) Begins after the fertilized egg reaches the uterus
B) Is slowed down by large amounts of yolk in the vegetal hemisphere
C) Produces a spherical blastula that is one cell layer thick, similar to that of the sea urchin
D) Has two different planes of cleavage in the second cleavage
E) Undergoes nuclear division in the absence of cytoplasmic division during the first several division cycles
Correct Answer:
Verified
Correct Answer:
Verified
Q245: Which statement about cleavage patterns is true?<br>A)
Q246: Which event occurs during cleavage?<br>A) Rapid transcription
Q247: Superficial cleavage occurs in<br>A) frogs.<br>B) birds.<br>C) fruit
Q248: Which gastrulation event in the sea urchin
Q249: Choose the correct pairing of the germ
Q251: Which feature characterizes nervous system development in
Q252: What medical condition can result if a
Q253: Which of these gastrulation events occurs after
Q254: A researcher is interested in studying the
Q255: Initiation of nervous system development in amphibians