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NEET Biology Principle Of Inheritance And Variation Question Bank Chromosomes and Genes

  • question_answer
    Tizo and Levan's contribution is very significant because they [CBSE PMT 1993]

    A) Gave the number of human chromosomes

    B) Pointed out mutational changes

    C) Identified Barr bodies

    D) Detected sex linkage

    Correct Answer: A

    Solution :

    Tizo and Levan (plant cytologists) in 1956 enabled the human geneticists to ascertain the correct chromosome number.


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