Table 1.

Classification of bovine and human non-orthologous genes in categories according to the alignment results

	cow vs. human		human vs. cow
	n. of genes	% of the total	n. of genes	% of the total
aligned genes	3,390	89	967	96
potential ortholog	2,533	67	120	12
new gene	472	12	500	50
gene variant	289	8	294	29
intronic	96	2	43	4
contig	-	-	10	1
not aligned	411	11	43	4
total non-orthologous genes	3,801	-	1,010	-