1to1_ortholog_of
1to1_ortholog_of
Definition is modeled after the definition in the Homology Ontology term HOM:0000020.
If a and b are genes, a 1to1_ortholog_of b iff neither a nor b was duplicated after the speciation event that created them. If a and b are proteins, then a 1to1_ortholog_of b iff a has_gene_template some gene A and b has_gene_template some gene B and A 1to1_ortholog_of B.
protein