Friday, October 11, 2013

10/11 Evolution and Gene Frequencies (Lab)

Today we performed a lab (to determine the effect of random mating in a population of tigers possessing a recessive gene!) where we have 25 red beads and 25 green.

Green= h
Red= H

We put them all into a paper bag and chose two beads without looking. If they were both green (hh) they were dead. (not naturally selected to survive the cold environment)
HH was the recessive trait. (no fur)
Hh was the dominant trait. (fur) 

Hypothesis- The recessive gene will eventually go away after 10 generations.


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