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  5. Principle Of Inheritance And Variation

12th Class Biology Principle Of Inheritance And Variation Question Bank MCQs - Principles of Inheritance and Variation

  • question_answer
    Starch synthesis gene in pea plant in heterozygous condition produces starch grain of intermediate size. This shows

    A) complete dominance

    B) incomplete dominance

    C) Codominance

    D) None of the above

    Correct Answer: B

    Solution :

    [b] In starch synthesis gene, following conditions to seen BB - rounded (due to more starch synthesis) bb - wrinkled (due to less starch synthesis) Bb -in between rounded of wrinkled size. It produces starch of intermediate quantity between BB to bb homozygous condition. So, it is incomplete dominance.


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