NEET Biology Biotechnology And Its Applications Question Bank Genetic Variation

  • question_answer
    Polydactyly in man is due to [J & K CET  2002]

    A) Autosomal dominant gene

    B) Autosomal recessive gene

    C) Sex-linked dominant gene

    D) Sex-linked recessive gene

    Correct Answer: A

    Solution :

    Down?s syndrme also known as Mongolian idiocy is a trisomic resulting from non-disjunction of chromosome number 21st.


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