title: Related genes can have unrelated introns.
mesh_terms: D001483:Base Sequence; D005075:Biological Evolution; D005796:Genes; D010047:Ovalbumin / Q000235:genetics*; D000515:alpha 1-Antitrypsin / Q000235:genetics*
chemical_list: D000515:alpha 1-Antitrypsin; D010047:Ovalbumin