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    COSI
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    In this biology activity (page 8 of the PDF), learners will determine whether they are "tasters" or "non-tasters", test selected individuals from their families and peer group...

    $1 - $5 per student Ages 14 - 18 1 to 7 days
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    University of Utah
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    In this game, learners cross off or color bingo squares in response to questions about their traits. This activity is designed to be used as a review following a unit on genetics, but can be used...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this health and genetics activity, learners determine whether tasting the bitter compound PTC (phenylthiocarbamide) influences which vegetables a person likes. Learners conduct a blind taste...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    University of Utah
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    Learners mark their traits for tongue rolling, PTC tasting (a harmless, bitter chemical), and earlobe attachment on tree leaf cut-outs. They then place their leaves on a large tree with branches,...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes