Unformatted text preview: alleles • Harmonia axyridis o Patterns thought to be determined by multiple alleles of a single gene; pattern is correlated with geography • Foxglove o Colors are due to 3 genes, speckling is also present All other examples of variation are in the notes online Beak of the Finch Discussion (ch. 1-3) Why does the Origin of Species focus on pigeons, not finches? • Pigeons were available for Darwin to study, he knew pigeon breeders and he became one; Darwin thought that people would be more able to relate to pigeons than to finches Why are the Galapagos Islands good to study? • They are isolated • There are enough species and individuals to study, but not too many • The climate and geography is similar from island to island • “Infinite” variation (beaks) 1...
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This note was uploaded on 04/17/2008 for the course GENE 3000 taught by Professor Arnold/anderson during the Spring '07 term at UGA.
- Spring '07