Determine type of evolution for the observed changes

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Suppose you return the next season and in the newborn weasels you measure a distribution of genotypes that looks like this:
5 AA 10 Aa 85 aa
10 BB 80 Bb 10 bb

Did evolution occur for these two loci?

What type of evolution might account for the observed changes?

 

Reference no: EM1391261

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