Which of the following is NOT characteristic of regulative development in animals?
A) is a type in which removing a blastomere causes the remaining blastomeres to "fill in" for the lost cell.
B) usually occurs in protostomes.
C) occurs in most (but not all) deuterostomes.
D) is a type in which the fate of a blastomere is heavily determined by its neighbor cells.
Correct Answer:
Verified
Q23: The difference between primary and secondary induction
Q24: The placenta develops from
A)fetal membranes only.
B)maternal tissue
Q25: The conclusion of Spemann's work,in which he
Q26: Neighboring cells influence the development of each
Q27: The special blastomere labeled the 4-d cell
Q29: The internal pouch representing the developing gut
Q30: An enterocoelous animal has
A)a true coelom.
B)a pseudocoelom.
C)no
Q31: Superficial cleavage is found in
A)amphibians.
B)mammals.
C)sea stars.
D)insects.
Q32: Which is NOT an extraembryonic membrane?
A)Amnion
B)Placenta
C)Yolk sac
D)Allantois
Q33: "Diploblastic" refers to _ where _.
A)fish and
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