Dermatoglyphic phenome of the Mongolian people in Inner Mongolia

doi:10.16359/j.1000-3193/AAS.2025.0043

Abstract

Abstract:

Dermatoglyphics, formed by the raised ridge patterns on the skin surface, play a crucial role in personal identification, population genetics, and disease diagnosis. This study provides the first comprehensive analysis of soleprint phenotypes in the Mongolian population. Additionally, a comprehensive analysis of dermatoglyphic patterns in this population is presented, encompassing frequency distributions and combination characteristics across genders and bilateral sides. Specifically, we examined: 1) fingerprint patterns categorized as simple arch, tented arch, radial loop, ulnar loop, simple whorl, and double whorl; 2) palmprint phenotypes including the pattern in the thenar, hypothenar, interdigital regions II, III, IV, and their transitional regions (II/III, III/IV), along with the prevalence of simian lines, triple radial base lines, cdt triradius; 3) soleprint phenotypes in interdigital regions II, III, and IV, along with patterns observed in the hallucal region, hypothenar region, and calcar region. Our analysis in Mongolian population revealed distinct dermatoglyphic pattern distributions across different fingers: double whorl exhibited higher frequency in thumbs, radial loop predominated in index fingers, ulnar loop showed increased prevalence in middle and little fingers, and simple whorl were more common in ring fingers. Bilateral symmetry was observed in homologous fingers, demonstrating a significant tendency for pattern concordance. The pentadactyl pattern combinations exhibited non-random distribution characteristics. Regarding palmprint configurations, the highest frequency of true patterns was observed in interdigital region IV. Soleprint analysis indicated a predominance of loop pattern on the hallucal region, with arch patterns showing relatively lower frequency. Through cluster analysis and principal component analysis of 39 Chinese ethnic groups with complete soleprint phenotypes, we have identified three distinct population clusters: Southern, Northern, and Central Asian groups, based on dermatoglyphic phenotypes. Intra-site phenotypic correlation analysis demonstrated significant associations between fingerprint patterns, as well as between true patterns in palmprint and soleprint interdigital regions. Cross-site analysis revealed a strong positive correlation between total fingerprint ridge count (TFRC) and palm a-b ridge count (a-b RC), suggesting that populations with higher TFRC tend to exhibit increased ridge counts in the a-b interdigital region. Furthermore, significant correlations were identified between palmar and plantar interdigital regions, with palm interdigital regions showing the highest frequency of true pattern occurrence. These interregional associations warrant further investigation as potential focal points for future research. Notably, soleprint demonstrate significant diagnostic value, contributing up to 25% of the discriminative information in specific disease identification. This study not only fills the gap in the study of Mongolian soleprints, but also provides a theoretical basis for the application of dermatoglyphics in individual identification, population discriminant, and auxiliary diagnosis of diseases.

Key words: dermatoglyphics phenomics, fingerprint, palmprint, soleprint, Mongolian

CLC Number:

Q984

ZHEN Wentian, ZHANG Haiguo, YANG Haitao, TAN Jingze, QIAO Hui, YUAN Ziyu, ZANG Jun, YAN Mingliang, WANG Jiucun. Dermatoglyphic phenome of the Mongolian people in Inner Mongolia[J]. Acta Anthropologica Sinica, 2026, 45(02): 310-321.

Figures/Tables 13

References 37

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表型Phenotype	分型Subtype	组合Combination		男性Male		女性Female		合计Total
表型Phenotype	分型Subtype	左侧Left	右侧Right	数量n	频率Frequency	数量n	频率Frequency	数量n	频率Frequency
掌通贯手Palm simian line	(1)	+	+	7	3.20%	9	2.26%	16	2.59%
	(2)	+	--	6	2.74%	4	1.01%	10	1.62%
	(3)	--	+	3	1.37%	5	1.26%	8	1.30%
掌川字掌Palm triple radial base line	(1)	+	+	6	2.74%	26	6.53%	32	5.19%
	(2)	+	--	4	1.83%	23	3.30%	27	4.38%
	(3)	--	+	3	1.37%	14	3.52%	17	2.76%
掌缺c三角Palm lack of c triangle	(1)	+	+	0	0	6	1.51%	6	0.97%
	(2)	+	--	6	2.74%	7	1.76%	13	2.11%
	(3)	--	+	3	1.37%	7	1.76%	10	1.62%
掌缺d三角Palm lack of d triangle	(1)	+	+	0	0	0	0	0	0
	(2)	+	--	1	0.46%	0	0	1	0.16%
	(3)	--	+	1	0.46%	0	0	1	0.16%
掌 t 三角 ≥ 2Palm t triangle ≥ 2	(1)	+	+	4	1.83%	6	1.51%	10	1.62%
	(2)	+	--	3	1.37%	5	1.27%	8	1.30%
	(3)	--	+	9	4.11%	10	2.51%	19	3.08%
掌IV 2枚真实花纹Palm IV two true pattern	(1)	+	+	1	0.46%	1	0.25%	2	0.32%
	(2)	+	--	6	2.74%	16	4.02%	22	3.57%
	(3)	--	+	0	0	1	0.25%	1	0.16%
掌II/III跨区纹Palm cross the district II/III	(1)	+	+	0	0	0	0	0	0
	(2)	+	--	0	0	1	0.25%	1	0.16%
	(3)	--	+	0	0	0	0	0	0
掌III/IV跨区纹Palm cross the district III/IV	(1)	+	+	2	0.91%	4	1.01%	6	0.97%
	(2)	+	--	14	6.39%	11	2.76%	25	4.05%
	(3)	--	+	14	6.39%	20	5.03%	34	5.51%

表型Phenotype	分型Subtype	组合Combination		男性Male		女性Female		合计Total
表型Phenotype	分型Subtype	左侧Left	右侧Right	数量n	频率Frequency	数量n	频率Frequency	数量n	频率Frequency
掌通贯手Palm simian line	(1)	+	+	7	3.20%	9	2.26%	16	2.59%
	(2)	+	--	6	2.74%	4	1.01%	10	1.62%
	(3)	--	+	3	1.37%	5	1.26%	8	1.30%
掌川字掌Palm triple radial base line	(1)	+	+	6	2.74%	26	6.53%	32	5.19%
	(2)	+	--	4	1.83%	23	3.30%	27	4.38%
	(3)	--	+	3	1.37%	14	3.52%	17	2.76%
掌缺c三角Palm lack of c triangle	(1)	+	+	0	0	6	1.51%	6	0.97%
	(2)	+	--	6	2.74%	7	1.76%	13	2.11%
	(3)	--	+	3	1.37%	7	1.76%	10	1.62%
掌缺d三角Palm lack of d triangle	(1)	+	+	0	0	0	0	0	0
	(2)	+	--	1	0.46%	0	0	1	0.16%
	(3)	--	+	1	0.46%	0	0	1	0.16%
掌 t 三角 ≥ 2Palm t triangle ≥ 2	(1)	+	+	4	1.83%	6	1.51%	10	1.62%
	(2)	+	--	3	1.37%	5	1.27%	8	1.30%
	(3)	--	+	9	4.11%	10	2.51%	19	3.08%
掌IV 2枚真实花纹Palm IV two true pattern	(1)	+	+	1	0.46%	1	0.25%	2	0.32%
	(2)	+	--	6	2.74%	16	4.02%	22	3.57%
	(3)	--	+	0	0	1	0.25%	1	0.16%
掌II/III跨区纹Palm cross the district II/III	(1)	+	+	0	0	0	0	0	0
	(2)	+	--	0	0	1	0.25%	1	0.16%
	(3)	--	+	0	0	0	0	0	0
掌III/IV跨区纹Palm cross the district III/IV	(1)	+	+	2	0.91%	4	1.01%	6	0.97%
	(2)	+	--	14	6.39%	11	2.76%	25	4.05%
	(3)	--	+	14	6.39%	20	5.03%	34	5.51%

	弓A			箕L			斗W
	简弓As	帐弓At	总计Total	尺箕Lu	桡箕Lr	总计Total	简斗Ws	双箕斗Wd	总计Total
男性Male	0.82%	0.41%	1.23%	48.45%	4.57%	53.02%	41.78%	3.97%	45.75%
女性Female	1.68%	0.23%	1.91%	50.63%	2.89%	53.52%	41.45%	3.12%	44.57%
合计Total	1.38%	0.29%	1.67%	49.86%	3.48%	53.34%	41.57%	3.42%	44.99%

	弓A			箕L			斗W
	简弓As	帐弓At	总计Total	尺箕Lu	桡箕Lr	总计Total	简斗Ws	双箕斗Wd	总计Total
男性Male	0.82%	0.41%	1.23%	48.45%	4.57%	53.02%	41.78%	3.97%	45.75%
女性Female	1.68%	0.23%	1.91%	50.63%	2.89%	53.52%	41.45%	3.12%	44.57%
合计Total	1.38%	0.29%	1.67%	49.86%	3.48%	53.34%	41.57%	3.42%	44.99%

类型Type		左侧 Left						右侧Right
类型Type		简弓As	帐弓At	尺箕Lu	桡箕Lr	简斗Ws	双箕斗Wd	简弓As	帐弓At	尺箕Lu	桡箕Lr	简斗Ws	双箕斗Wd
男性Male	大指	1.83%	0	43.37%	0.46%	42.47%	11.87%	0.91%	0	32.88%	0.91%	57.54%	7.76%
	食指	1.83%	0.91%	41.55%	11.87%	39.73%	4.11%	1.37%	1.37%	31.05%	21.92%	39.72%	4.57%
	中指	0.91%	0.91%	60.74%	1.37%	31.96%	4.11%	1.37%	0.46%	57.99%	3.65%	34.70%	1.83%
	环指	0	0	41.10%	0	57.07%	1.83%	0	0	29.68%	3.65%	65.76%	0.91%
	小指	0	0.46%	77.17%	0.46%	19.63%	2.28%	0	0	68.95%	1.37%	29.22%	0.46%
女性Female	大指	3.02%	0.25%	44.72%	2.01%	39.45%	10.55%	1.76%	0	36.18%	0.75%	53.77%	7.54%
	食指	3.27%	0.25%	39.20%	10.30%	43.46%	3.52%	3.02%	0.25%	38.19%	11.31%	42.71%	4.52%
	中指	2.26%	0.75%	58.04%	1.76%	35.68%	1.51%	2.01%	0.75%	67.34%	0.25%	28.64%	1.01%
	环指	0.25%	0	38.69%	0.25%	60.31%	0.50%	0	0	36.43%	1.01%	62.31%	0.25%
	小指	0.75%	0	77.39%	0.25%	20.35%	1.26%	0.50%	0	70.12%	1.01%	27.87%	0.50%