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    Question

    It is mating of pure bred males of a established breed

    with nondescript females successively over several generations to produce a progeny that resembles and performs similar to the pure breed.
    A Mating Correct Answer Incorrect Answer
    B Out-crossing Correct Answer Incorrect Answer
    C Back-crossing Correct Answer Incorrect Answer
    D Grading up Correct Answer Incorrect Answer

    Solution

    Grading up is mating of pure bred males of a established breed with nondescript females successively over several generations to produce a progeny that resembles and performs similar to the pure breed.

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