Table 2.

Synonymous and Nonsynonymous Divergences Between Humans and Chimpanzees

Chromosomes	No. of genes	Total length (nt)	n	s	n/s	dN × 100	ds × 100	dN/ds
Rearranged
1	104	39,495	54	119	0.45	0.197	0.989	0.199
2	83	31,017	43	71	0.61	0.202	0.733	0.276
4	50	17,919	27	54	0.50	0.216	0.993	0.218
5	56	21,402	35	49	0.71	0.232	0.775	0.299
9	33	14,163	24	63	0.38	0.248	1.407	0.176
12	67	25,017	34	74	0.46	0.199	0.932	0.214
15	70	14,052	10	43	0.23	0.104	0.974	0.107
16	35	11,307	25	45	0.56	0.321	1.281	0.251
17	56	22,179	30	72	0.42	0.195	1.056	0.185
18	14	5,904	6	6	1.00	0.145	0.338	0.429
Subtotal	568	202,455	288	596	0.483	0.206 ± 0.018	0.948 ± 0.093	0.235 ± 0.028
Colinear
3	67	26,271	38	66	0.58	0.207	0.834	0.248
6	54	21,396	35	67	0.52	0.233	1.053	0.221
7	55	20,151	34	55	0.62	0.247	0.858	0.288
8	40	14,124	14	44	0.32	0.144	0.996	0.145
10	36	12,225	18	32	0.56	0.214	0.839	0.255
11	58	20,124	27	61	0.44	0.194	0.986	0.197
13	20	7,698	15	15	1.00	0.275	0.670	0.410
14	54	20,034	39.5	56.5	0.70	0.282	0.938	0.301
19	38	12,192	17	38	0.45	0.203	0.992	0.205
20	24	8,181	14	30	0.47	0.245	1.212	0.202
21	9	3,081	6	16	0.38	0.276	1.757	0.157
22	21	6,234	9	18	0.50	0.206	0.960	0.215
X	36	13,017	21	33	0.64	0.228	0.867	0.263
Subtotal	512	184,728	287.5	531.5	0.541	0.227 ± 0.011	0.997 ± 0.072	0.239 ± 0.019
Subtotal (excluding X)	476	171,711	266.5	498.5	0.535	0.227 ± 0.012	1.008 ± 0.078	0.237 ± 0.021
Total	1080	387,183	575.5	1127.5	0.510	0.218 ± 0.010	0.976 ± 0.057	0.237 ± 0.016

There are only two Y-linked genes in the data set, and they are not used here.