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RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    In Frog embryo, spreading of the layer of presumptive ectodermal cells on the underlying mass of cells is called:

    A)  epiboly                               

    B)  invagination

    C)  ingcssion            

    D)         delamination

    Correct Answer: A

    Solution :

    Epiboly involves the morphogcnetic movement of prospective ectodermal blastomeres antero-posteriorly to envelop the presumptive endodermal and mesodermal blastomeres and it is found in telolecithal egg of Frog.


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