This preview shows page 1. Sign up to view the full content.
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...
View Full Document
- Spring '07