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

  • question_answer
    Polytene or giant chromosomes are found in [KCET 1994; AFMC 1999]

    A) Salivary glands of man

    B) Salivary glands of woman

    C) Salivary glands of all animals

    D) Salivary glands of Drosophila

    Correct Answer: D

    Solution :

    Polytene chromosomes are multistranded giant chromosomes which are formed by somatic pairing of homologous chromosomes and their repeated replication or endoduplication to form 1000 (e.g. salivary of gland of Drosophila) to 16000 (eg. chironomous) chromonemata.


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