Table 1.

Numbers of overlapping gene groups in the Ensembl annotation of human chromosomes

Chr	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	X	Y
OGGs	144	75	80	47	58	69	89	47	54	58	95	78	30	46	43	67	83	23	97	36	10	34	21	4

^*Numbers for Chrs 21 and 22 are from the Riken and Sanger annotations (see text).