Which of the following is NOT characteristic of regulative development in animals?
A) is a type in which the fate of a blastomere is heavily determined by its neighbor cells.
B) occurs in most (but not all) deuterostomes.
C) is a type in which removing a blastomere causes the remaining blastomeres to "fill in" for the lost cell.
D) usually occurs in protostomes.
Correct Answer:
Verified
Q22: The allantois
A)becomes the chorionic villi.
B)lies next to
Q24: The placenta develops from
A)fetal membranes only.
B)maternal tissue
Q27: The special blastomere labeled the 4-d cell
Q28: The internal pouch representing the developing gut
Q29: Mosaic development in animals
A) is a type
Q30: When the central mass of yolk restricts
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
Q34: The difference between schizocoelous and enterocoelus organisms
Q40: In mammals,the organ of exchange between the
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