Since horses with only one copy of the normal gene were defective , the mutation was labeled `` e '' or sometimes `` E '' . Since horses with only one copy of the normal gene were defective , the mutation was called `` e '' or sometimes '' E `` .
Oleh kerana kuda dengan hanya satu salinan gen biasa cacat, mutasi itu dilabel "e'' atau kadang-kadang "E''. Oleh kerana kuda dengan hanya satu salinan gen biasa cacat, mutasi itu dipanggil "e'' atau kadang-kadang '' E ".