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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.

Learners match puzzle pieces to outlines of a DNA strand. The puzzle pieces represent the four chemicals making up DNA base pairs: adenine, thymine, guanine, and cytosine.

In this activity, learners build edible models of DNA, while learning basic DNA structure and the rules of base pairing.

In this hands-on activity, learners track and record the passage of colored "pompom traits" through three generations of gingerbread people.

DNA is the thread of life. Encoded in its genetic sequence is the information that makes each of us unique.