Science

6th -

8thgrade

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Heredity

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28 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    A mouse breeder mates a black-furred mouse with a white-furred mouse. All the offspring have gray fur.

    How is the trait of fur color inherited in mice?

    sex-linked inheritance

    co-dominance inheritance

    complete dominance inheritance

    incomplete dominance inheritance

  • 2. Multiple Choice
    2 minutes
    1 pt
    Image

    The diagram below shows a cross that is similar to one of Mendel’s pea plant crosses. How is blue flower color inherited in the cross shown?

    as a recessive trait

    as a dominant trait

    as a co-dominant trait

    as an incompletely dominant trait

  • 3. Multiple Choice
    2 minutes
    1 pt
    Image

    The diagram shows the results of crossing a pea plant with round seeds and a pea plant with wrinkled seeds. What can be determined from the results of the experiment?

    Smooth shape and wrinkled shape are both recessive traits.

    Smooth shape and wrinkled shape are both dominant traits.

    Smooth shape is a dominant trait, and wrinkled shape is a recessive trait.

    Smooth shape is a recessive trait, and wrinkled shape is a dominant trait.

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