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Science

9th

grade

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Understanding DNA, Genes, and Heredity

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16 questions

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  • Interactive video for next 10 questions
    5 minutes
    Ungraded
    00:00 / 00:00
    1. Multiple Choice
    02:06
    30 seconds
    1 pt

    What was the name of the pet snake that became a classroom pet?

    Rex

    Spike

    Fang

    Slither

    2. Multiple Choice
    02:06
    30 seconds
    1 pt

    What is heredity primarily concerned with?

    The structure of cells

    The behavior of animals

    The passing of traits from parents to offspring

    The study of ecosystems

    3. Multiple Choice
    03:16
    30 seconds
    1 pt

    Where is DNA found in nearly all of Spike's body cells?

    In the mitochondria

    In the nuclei

    In the cytoplasm

    In the cell membrane

    4. Multiple Choice
    03:16
    30 seconds
    1 pt

    What does DNA stand for?

    Deoxyribonucleic acid

    Deoxyribose nucleic acid

    Deoxyribonucleic agent

    Deoxyribose nucleotide acid

    5. Multiple Choice
    05:14
    30 seconds
    1 pt

    Which of the following is NOT a base found in DNA?

    Uracil

    Cytosine

    Thymine

    Adenine

    6. Multiple Choice
    05:14
    30 seconds
    1 pt

    What mnemonic helps remember the pairing of DNA bases?

    Apples in the garden; car in the tree

    Apples in the tree; car in the garden

    Apples in the tree; car in the garage

    Apples in the garage; car in the tree

    7. Multiple Choice
    06:38
    30 seconds
    1 pt

    What do genes code for?

    Carbohydrates

    Proteins

    Lipids

    Vitamins

    8. Multiple Choice
    06:38
    30 seconds
    1 pt

    What is a complex trait determined by many genes?

    Eye color

    Blood type

    Height

    Skin color

    9. Multiple Choice
    08:15
    30 seconds
    1 pt

    How many chromosomes do humans have in their body cells?

    23

    46

    44

    22

    10. Multiple Choice
    08:15
    30 seconds
    1 pt

    What is the term for the process of turning genes on or off?

    Gene expression

    Gene regulation

    Gene mutation

    Gene transcription

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