Question

    In the CGMS system, the “B line” serves as the:

    A Female line Correct Answer Incorrect Answer
    B Male-sterile line Correct Answer Incorrect Answer
    C Maintainer line Correct Answer Incorrect Answer
    D Restorer line Correct Answer Incorrect Answer
    E Hybrid line Correct Answer Incorrect Answer

    Solution

    The B line (Maintainer) is isogenic to the male-sterile A line but fertile, used to propagate sterility.

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