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EAMCET Medical EAMCET Medical Solved Paper-1998

  • question_answer
    The number of post-zygotic nuclear divisions of synkaryon in exconjugant Paramecium is:

    A)  one                                      

    B)  three

    C)  five                                                      

    D)  eight

    Correct Answer: B

    Solution :

                     In Paramecium. The small pronucleus of one conjugants fuses with the stationary pronucleus of other. Due to this, a synkaryon (zygote) is formed. After formation of synkaryon, each conjugant is separated and is called exconjugant. Now the nucleus of synkaryon undergoes 3 nuclear divisions and produce 8 nuclei.


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