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NEET AIPMT SOLVED PAPER SCREENING 2007

  • question_answer
                    Which one of the following statement is correct?                                                                            

    A)                  Stem cells are specialized cells 

    B)                  There is no evidence of the existence of gills during embryogenesis of mammals

    C)                  All plant and animal cells are totipotent

    D)                  Ontogeny repeats phylogeny

    Correct Answer: D

    Solution :

                    Recapitulation theory or Biogenetic law states that ontogeny (development of embryo) is recapitulation of phytogeny (ancestral sequence).


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