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    Question

    Norin-10 is a well-known dwarfing gene that has been

    widely used in the development of high-yielding semi-dwarf  varieties. This gene originated from which of the following plant species?
    A Triticum aestivum Correct Answer Incorrect Answer
    B Zea mays Correct Answer Incorrect Answer
    C Oryza sativa Correct Answer Incorrect Answer
    D Secale cereale Correct Answer Incorrect Answer
    E Hordeum vulgare Correct Answer Incorrect Answer

    Solution

    Norin-10 is a dwarfing gene introduced from Japanese wheat into modern wheat breeding programs. It played a pivotal role during the Green Revolution as it reduced plant height, thereby preventing lodging and allowing greater response to fertilizers.

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