Last weekend, Sean and I learned a lot about the basic ideas behind genetics and the probability of inheritance, by creating (and color-coding) a Punnet square with over 1000 cells (5 traits) for his "Martian Mating" Biology project.
Part of the complete Punnet squareSo what are the odds he'll become an ultra runner?
The Martian couple--the big Excel spreadsheet shows the traits (number of legs, eye size, antenna/no antenna, dull or sharp teeth) for all their grand kids
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