NEET Biology Genetics Question Bank Twins, I.Q., Eugenics, Euthenics and Euphenics

  • question_answer Sometimes the separation of twins is incomplete and these are borne attached are remain so even after. Such twins are known as [MH CET 2002]

    A) Fraternal

    B) Dizygotic

    C) Identical

    D) Siamese

    Correct Answer: D

    Solution :

    Conjoined or siamese twins arise by incomplete separation of embryo at about 15 days or more after zygote formation.

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