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    Question

    When two well developed breeds are crossed alternatively

    is knowns as ?
    A Back cross Correct Answer Incorrect Answer
    B Tripple Cross Correct Answer Incorrect Answer
    C Cross breeding Correct Answer Incorrect Answer
    D Criss cross Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Explanation- Females of breed A are crossed to males of breed B. Their female offspring (F1) are (back) crossed with a male of breed B. Their female offspring (F2) are crossed with a male of breed A. Their female offspring (F3) are crossed with a male of breed B etc. Alternately in each generation males of breed A and breed B are used and crossbred females in all generations can be used to produce replacements.

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