During this first lab students learned the basics of building pedigrees to study human genetics.
Pedigrees were built for the following traits
- Free or attached ear lone
- Hitchhiker's thumb
- Tongue rolling
- Hand folding
The latter two are behavioral traits with a genetic component but they seem to be inherited in a Mendelian fashion; they were suitable for this basic exercise.
Then students did simulations of gametogenesis and offspring production to illustrate topics that will be soon studied in lecture: Mendel's principles.
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