Paul Andersen introduces the Punnett Square as a a powerful tool in genetic analysis. He tries to address major misconceptions that students have when use a Punnett Square. He gives a number of examples of monohybrid crosses and one example of a dihybrid cross. The square is a simple tool that uses the outcome of meiosis to determine possible offspring in a cross.
The hunt for "unexpected genetic heroes" (10:39)
TED , Stephen Friend
5. How Selection Changes the Genetic Composition of Population (49:30)
Yale , Stephen C. Stearns
The Digestive System (09:37)
Bozeman Science , Paul Andersen
Activation energy: Kickstarting chemical reactions (03:22)
TED , Vance Kite
Organ Systems (09:45)
Bozeman High School , Paul Andersen
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