CET Karnataka Medical CET - Karnataka Medical Solved Paper-2014

  • question_answer
    During somatic hybridization in plants.

    A)  the cell walls and the middle lamella are digested before fusing the cells

    B)  somaclones are produced in large numbers

    C)  crop plants with higher levels of vitamins, proteins and minerals are hybridised

    D)  the apical meristems are cultured to get virus-free plants.

    Correct Answer: A

    Solution :

    : The process of producing somatic hybrids (fusion of cells of two varieties or species) by PEG (polyethylene glycol) etc. is called somatic hybridization. The plant cells without cell wall are called protoplast. The separation of protoplasts is done by treating cells with pectinase and cellulase enzymes. Pomato is a somatic hybrid between tomato and potato and is an intergeneric hybrid.


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