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homologs, paralogs, orthologs

Oliver Hobert hobert at FRODO.MGH.HARVARD.EDU
Sat Jun 22 11:43:41 EST 1996

Hey folks - Can anybody supply me with an explanation what "homologs",
"paralogs" and "orthologs" mean in terms of gene sequence similarity, i.e.
when are two similar genes called homologs, paralogs or orthologs.
Thanks !

Oliver Hobert
Mass. General Hospital
Department of Molecular Biology
Wellman 8
Boston, MA 02114
Fax: 617-726 6893

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