Table 2.

Number of chromosomes and their corresponding frequencies for each allele used in the maternal χ² analyses^a

	Caucasian		Afro-Caribbean		Thai		Hispanic
Allele	No. Chromosomes	Frequency	No. Chromosomes	Frequency	No. Chromosomes	Frequency	No. Chromosomes	Frequency
A13	23	.003	23	.010	4	.001	1	.001
A14	37	.004	49	.022	15	.005	7	.004
A15	36	.004	61	.027	65	.022	6	.004
A16	72	.008	103	.046	29	.010	13	.008
A17	114	.013	319	.143	34	.011	38	.024
A18	520	.059	376	.168	33	.011	73	.047
A19	882	.100	236	.105	80	.027	87	.056
A20	1115	.126	193	.086	168	.056	90	.058
A21	1631	.184	290	.130	271	.091	210	.135
A22	904	.102	173	.077	544	.182	205	.131
A23	965	.109	133	.059	402	.134	251	.161
A24	950	.107	93	.042	396	.132	190	.122
A25	663	.075	55	.025	335	.112	135	.087
A26	390	.044	52	.023	260	.087	89	.057
A27	226	.026	27	.012	139	.046	74	.047
A28	110	.012	16	.007	72	.024	37	.024
A29	88	.010	9	.004	43	.014	23	.015
A30	40	.005	4	.002	36	.012	7	.004
A31	15	.002	2	.001	12	.004	5	.003
A32	11	.001	0	.000	10	.003	1	.001

^aFrequency 5 No. chromosomes for each allele for a particular ethnic group/total No. chromosomes for that ethnic group.