Category: Genetics
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Simple Experiment to Extract DNA from a Strawberry
Crush strawberries and use detergent to break the cell wall, releasing DNA. Alcohol is then poured slowly over the top of the solution and DNA will rise to the surface.
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Variations on a Human Face
Students use coins to simulate how alleles separate during meiosis. One student plays the father, and one plays the mother, a coin flip then determines the traits of their theoretical offspring. Note: This is a representation of how traits may work with simple Mendelian Genetics. Human traits are actually much more complicated. Many are…
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What is a Map Unit Anyway?
Chromosome maps illustrate how far alleles are on a chromosome using a MAP UNIT. Map units are based on the frequency of cross-over