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2.Human Reproduction
normal
Spiral cleavage is found in
A
Synapta
B
Amphibia
C
Nematoda, annelida and rotifera etc.
D
None of the above
Solution
(c)In patterns of spiral clevage, blastomeres are arranged in a spiral manner e.g., platyhelminthes, Annelida and most mollusca.
Std 12
Biology
