Multiple Choice
Which feature characterizes complete cleavage?
A) It occurs in eggs with large amounts of yolk.
B) In frogs, it results in smaller cells in the vegetal hemisphere.
C) Divisions create a disc of small cells sitting on an undivided yolk mass.
D) Cells with more yolk are larger than those with less yolk.
E) It is characteristic of chick eggs.
Correct Answer:
Verified
Correct Answer:
Verified
Q133: Which are least likely to be cytoplasmic
Q134: Experimental overexpression of β-catenin in another region
Q135: Which feature characterizes the chick gastrula?<br>A) It
Q136: Which feature characterizes the trophoblast?<br>A) Trophoblast cells
Q137: The mammalian blastocyst differs from a frog
Q139: Which feature characterizes cleavage in most animals?<br>A)
Q140: A researcher who wants to block initiation
Q141: The _ is the primary embryonic organizer
Q142: Refer to the figure showing implantation in
Q143: A _ is an embryo with a