TABLE II.

The Number of Schizophrenia Genes With Distribution Among Chromosomes

Chromosome	Schizophrenia genes	Percentage of total genes	Genes on p arm	Genes on q arm
6	66	11.8	49	17
1	57	10.2	27	30
22	48	8.6	0	48
7	39	7.0	9	30
2	37	6.6	10	27
5	35	6.2	4	31
17	30	5.3	15	15
11	27	4.8	8	19
3	25	4.5	14	11
16	22	3.9	17	5
8	21	3.7	15	6
10	20	3.7	3	17
19	19	3.4	7	12
12	18	3.2	5	13
15	15	2.7	0	15
X	15	2.7	7	8
4	14	2.5	7	7
9	12	2.1	4	8
14	11	2.0	0	11
20	11	2.0	5	6
18	7	1.2	2	5
13	7	1.2	0	7
21	4	0.7	0	4
Y	0	0.0	0	0
Total	560	100	208	352

p, short arm; q, long arm.

Chromosomes are arranged by the highest to lowest number of contained schizophrenia genes.