Today we did a lab entitled "Evolution and Gene Frequencies: A Game of Survival and Reproductive Success," which is exactly what is was! We used beads (acting as tigers) to determine the effect of random mating in a population of tigers that possessed a recessive gene. We selected to beads (alleles) at a time and recorded the combination. After we were done we set aside the homozygous recessive "tigers" and threw the others back into the mating pool. After 10 times we compiled our data and determined the that recessive allele never completely disappears, it is always present.
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