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    Question

    Free ‐ martin

    is
    A Sterile female calf born co‐twin with male calf Correct Answer Incorrect Answer
    B Sterile male calf born co‐twin with female calf Correct Answer Incorrect Answer
    C Sterile female calf born co‐twin with female calf Correct Answer Incorrect Answer
    D Filly born out of mating between mare and jack Correct Answer Incorrect Answer

    Solution

    A free-martin is a sterile female calf that is born as a co-twin with a male calf. This condition occurs in cattle and is a result of the exchange of blood between the male and female fetuses during pregnancy. The male hormones from the male twin affect the development of the reproductive organs in the female twin, leading to infertility in the female.

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