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In this web lab, Gregor Mendel directs students through interactive virtual experiments. Students experiment with pea plants to discover how the seven pairs of traits that Mendel studied are inherited. The lab can be completed linearly, or students can move to a particular segment using the Sections menu. After they observe pea plants and infer the number of traits present, students perform five plant crosses. Mendel instructs students to search for patterns in the transmission of traits. Next, students predict the outcome of a cross and are introduced to the terms dominant and recessive. Finally, students work with pedigrees, crossing plants to determine for each of the seven pairs of traits which characteristic is dominant or recessive. A notebook feature lets students check their answers. Copyright 2005 Eisenhower National Clearinghouse
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