Multiple Choice
If an amphibian zygote is manipulated so that the first cleavage plane fails to divide the grey crescent, then
A) the daughter cell with the entire grey crescent will die.
B) both daughter cells will develop normally because amphibians are totipotent at this stage.
C) only the daughter cell with the grey crescent will develop normally.
D) both daughter cells will develop abnormally.
E) both daughter cells will die immediately.
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Gases are exchanged in a mammalian embryo
Q36: During the early part of the cleavage
Q43: An open space within the gastrula is
Q44: Changes in the shape of a cell
Q47: Fertilization of an egg without activation is
Q56: Changes in both cell shape and cell
Q57: Hans Spemann and colleagues developed the concept
Q61: If the apical ectodermal ridge is surgically
Q78: The structure of the Drosophila gene called
Q82: In humans, identical twins are possible because<br>A)of