Exam 2 lecture 12

UIC BioS101 Nyberg

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Rapid genetic change

• Instances of rapid genetic change have been discovered after it was possible to use museum skins to look at populations from the past.

• Pergams, Barnes & Nyberg (2003) Nature 423:397 reported that the mitochondrial haplotype of the white-footed mouse that was common in Chicago in 1900 is now very rare.

Speaker Notes:

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There is also evidence of morphological (=shape) changes during island colonizations.