Advanced Placement / Biology

Artificial Selection

Students follow the growth and development of Wisconsin Fast Plants® (a variety of Brassica rapa) through two generations. These plants have a short life cycle, can be grown easily in the classroom, and offer an assortment of traits students can readily observe.

In the Initial Investigation, students measure the height and one additional quantitative trait of their choice. They then select a small proportion of plants to cross-pollinate and determine if the selection of plants based on a certain trait affects the frequency of the trait in the subsequent generation.

Source: Advanced Biology Through Inquiry

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