Table A2.

Gene Diversity in the Five North African Samples and Other Published Samples, on the Basis of Y-Chromosomal SNPs and STRs

	Population Samplea
	Present Study					Bosch et al. (2001)				Underhill et al. (2000)
Variable	Al-Ara	Al-Ber	N-Eg	S-Eg	Tun	M-Ara	NM-Ber	Sah	SM-Ber	Sud	Eth	Europe	Mali	C-Afr	S-Afr	Khoi	Mid-East
Sample size (SNPs)	35	19	44	29	148	44	63	29	39	40	88	60	44	36	54	39	23
Gene diversity (SNPs) ± b	.748 ± .049	.708 ± .074	.880 ± .029	.813 ± .053	.714 ± .024	.700 ± .067	.561 ± .071	.406 ± .101	.543 ± .090	.776 ± .053	.876 ± .017	.730 ± .052	.821 ± .035	.660 ± .077	.697 ± .059	.802 ± .029	.866 ± .054
Sample size (8 STRs)	32	17	44	28	139	43	19	29	39
Gene diversity (8 STRs) ± SDc	.953 ± .031	.994 ± .019	.989 ± .008	.995 ± .011	.976 ± .007	.919 ± .035	.977 ± .027	.897 ± .030	.960 ± .020
Sample size (15 STRs)	32	17	43	28	138
Gene diversity (15 STRs ± SD)d	.979 ± .020	.994 ± .019	.991 ± .008	1.000 ± .009	.984 ± .006
Number of STR-typed E3b2 chromosomes	14	9	5	2	55e	22f	10g	22	26
E3b2 STR varianceh	.21	.26	.02	-	.30	.10	.11	.11	.18
E3b2 STR variability ± SDi	3.32 ± 2.00	4.17 ± 1.53	.40 ± .52	.00	4.82 ± 1.95	1.74 ± 1.14	1.78 ± 1.11	1.72 ± 1.11	2.83 ± 1.19
Number of STR-typed J* chromosomes	5	2	4	6	44	6	3	5	2
J* STR varianceh	.14	.25	.62	.71	.37	.06	.83	.11	.31
J* STR variability ± SDi	2.20 ± .84	4.00 ± .00	10.00 ± 2.10	11.33 ± 3.36	5.90 ± 2.43	1.47 ± .98	13.33 ± 2.52	1.80 ± 1.51	5.00 ± .00

^aRefer to table 1 and figure 1.

^bBased on SNP-haplogroup frequencies.

^cBased on eight-STR-haplotype frequencies.

^dBased on 15-STR-haplotypes frequencies.

^eFifty-five out of 56 E3b2 chromosomes were fully STR-typed.

^fTwenty-two out of 23 E3b2 chromosomes were fully STR-typed.

^gTen out of 41 E3b2 chromosomes were fully STR-typed.

^hAverage of variances in repeat numbers over eight STR loci.

ⁱEstimated as the average of pairwise sums (over eight STR loci) of squared single-step differences between alleles.