| Orthologs - Dentist case | Paralogs - Richness | 
| "A collection of genes sharing a common ancestry and typically performing the same role in different organisms." | "A collection of genes sharing a common ancestry and performing different roles in the same organisms." | 
| This is used to classify organisms. | This may confuse systematists. | 
Text iGenetics by Peter J. Russell
This web site is provided for instruction in Botany and Zoology 342
by Kenneth G. Wilson,
  Professor of Botany
  Miami University
  wilsonkg@muohio.edu