NEET Biology Human Reproduction Question Bank Critical Thinking Questions

  • question_answer
    Holoblastic cleavage may occur in eggs which are [AIIMS 1987; MP PMT 1994]

    A) Oligolecithal only

    B) Mesolecithal only

    C) Macrolecithal only

    D) Oligolecithal and mesolecithal both

    Correct Answer: D

    Solution :

    In oligolecithal eggs viz. Amphioxus, holoblastic cleavage takes place and in mesolecithal eggs viz. fishes and amphibians, unequal holoblastic cleavage (except I and II) is found.


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