At one point, all mammals carried only two color receptors, but now most humans carry three. An informative presentation and hands-on activity demonstrate how this evolved through genetics. By participating in the activity, pupils...

Sixth graders complete an experiment to learn about hereditary traits. In this hereditary traits lesson, 6th graders discuss similarities and differences in corn and complete charts for their discussion. Students then use a dent corn and...

Comprehend that many human characteristics-all physical traits and possibly many personality traits-are determined by our genetic makeup. These activities demonstate that all physical traits are genetically determined, some evidence...