JCECE Medical JCECE Medical Solved Paper-2010

  • question_answer During the development of zygote of earthworm, macromeres develop into

    A)  mesoderm      

    B)  endoderm

    C)  ectoderm       

    D)  All of these

    Correct Answer: B

    Solution :

     During the development of zygote of  earthworm, macromeres develop into endoderm. Macromere is a large cell form the vegetative pole of a developing egg. Such a cell contains yolk and give rise to the endoderm of the embryo.

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