SUPERFICIAL CLEAVAGE IN FERTILIZATION

SUPERFICIAL CLEAVAGE IN FERTILIZATION

2.5.5.     Superficial cleavage: cleavage occurs superficial due to center located yolk. In this type of cleavage, karyokinesis occurs without cytokinesis. In this type of cleavage pole cells are formed at the posterior pole. The pole cell becomes primordial germ cells and gives rise to gonads.


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