Palmar Dermatoglyphs of South African Negroes and Coloureds

Grace, H.J.

doi:10.1159/000152649

Cited by 18 publications

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“…Parents of all investigated subjects are healthy and of the same ethnic group. Three samples are used as outgroups: Africans [28], [29], Caucasians [3], and Gin Vietnamese [30]. 121 samples from 56 ethnic groups in China as shown in Table 1 contain a total of 68,846 individuals with 35,950 males and 32,896 females (excluding Indian Tibetans (T.B.-1)) [16].…”

Section: Methodsmentioning

confidence: 99%

Dermatoglyphics from All Chinese Ethnic Groups Reveal Geographic Patterning

et al. 2010

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Completion of a survey of dermatoglyphic variables for all ethnic groups in an ethnically diverse country like China is a huge research project, and an achievement that anthropological and dermatoglyphic scholars in the country could once only dream of. However, through the endeavors of scientists in China over the last 30 years, the dream has become reality. This paper reports the results of a comprehensive analysis of dermatoglyphics from all ethnic groups in China. Using cluster analysis and principal component analysis of dermatoglyphics, it has been found that Chinese populations can be generally divided into a southern group and a northern group. Furthermore, there has been considerable debate about the origins of many Chinese populations and about proper assignment of these peoples to larger ethnic groups. In this paper, we suggest that dermatoglyphic data can inform these debates by helping to classify a Chinese population as a northern or southern group, using selected reference populations and quantitative methods. This study is the first to assemble and investigate dermatoglyphics from all 56 Chinese ethnic groups. It is fortunate that data on population dermatoglyphics, a field of physical anthropology, have now been collected for all 56 Chinese ethnic groups, because intermarriage between individuals from different Chinese ethnic groups occurs more frequently in recent times, making population dermatoglyphic research an ever more challenging field of inquiry.

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Section: Methodsmentioning

confidence: 99%

Dermatoglyphics from All Chinese Ethnic Groups Reveal Geographic Patterning

et al. 2010

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“…The content of these inquires varied, but the majority of Grace's work was concerned with intersex, particularly as congruent with apartheid's racial categories. His research on intersex paralleled and sometimes overlapped with his scholarly efforts to find other physical bases for racial categories in the body through studies of hands and fingerprints (dermatoglyphics) and " mental retardation" (see Ally 1972, 1973;Grace 1974Grace , 1975aGrace , 1975bGrace , 1976Grace et al 1979;Ally and Grace 1979). 1 Citations of Grace's thesis, and three articles Grace published in the South African Medical Journal that drew from its data (Grace, Quantock, and Vinik 1970;Grace and Schonland 1970;Grace and Edge 1973), codified the assertion that intersex is more common among black South Africans than white South Africans.…”

Section: The Untoward Reach Of One Master's Thesismentioning

confidence: 97%

“…This research analyzed handprints as a site of anatomical difference. Grace's publications on the subject number almost a dozen and include titles such as "Dermatoglyphs of the South African Negro" (Grace and Ally 1973), "Palmar Dermatoglyphs of South African Negroes and Coloureds" (Grace 1974), and "Concentrations of Similar Fin ger Print Patterns in Four Race Groups" (Grace 1976). 26 Indeed, Grace's master's thesis includes three chapters dedicated to dermatoglyphics as a branch of inquiry that merged scientific racism with intersex ge ne tics.…”

Section: Visualizing Vio Lence: Creating Truths Through Medical Photo...mentioning

confidence: 99%

Envisioning African Intersex

2023

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In 2009, South African Caster Semenya won the 800-meter event at the World Championships in Athletics in track and field. But instead of celebrating her victory, Semenya faced accusations that her body was "too masculine" for her to compete in women's sport. Sporting authorities, doctors, and the media claimed that Semenya was intersex. Over the following de cade, she was subjected to international scrutiny: her body was photographed, she endured explorations of her reproductive organs, and her chromosomes and hormones were evaluated to determine her eligibility to compete in women's sport. Decisions about the "truth" of her gender changed again and again over the following de cade, as supposed experts fought over the par ameters of womanhood and the course of her life. Now with two Olympic gold medals to her name, Semenya continues to contest regulations that currently bar her from her sport. The latest decisions of the International Olympic Organ izing Committee prohibit Semenya from competing in the 800-meter event unless she undertakes surgery or pharmaceutically alters her natu ral testosterone levels (an intervention that previously made her physically ill). Recent headlines indicate the global importance of these conversations, Introduction. Pathologizing Gender Binaries Intersex Images and Citational Chains

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“…The topological system should be of interest to anthropologists as well, since they are usually interested in describing genetically relevant differences between populations. The new system has already been used in population comparisons (Rothhammer et al, 1973;Grace, 1974), and some authors, while perhaps sympathetic to the topological system, present their results in the traditional system to preserve comparability (Barnicot et al, 1972).…”

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confidence: 99%

A comparison of dermatoglyphic methodologies in population studies

Jantz

Chopra²

1983

American J Phys Anthropol

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Use of dermatoglyphics in population studies has been marked by a great deal of methodological variation among investigators. We compare various dermatoglyphic approaches using data derived from four groups in the Kumaon region of India. Dermatoglyphic data included ridge-counts and other quantitative variables, and the classification systems of Cummins and Midlo and Penrose and Loesch. Results were evaluated against anthropometric and serological relationships. No clearly superior approach emerges, although it is generally true that palmar variables exhibit more intergroup heterogeneity than digital variables and produce more reasonable results than the other approaches. The conventional method of treating ridge-counts, that of choosing the larger of the two counts, was the most unsatisfactory of the quantitative approaches, leading to the recommendation that both radial and ulnar counts be retained. We conclude that environmental variation may contribute substantially to intergroup variation.

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Palmar Dermatoglyphs of South African Negroes and Coloureds

Cited by 18 publications

References 0 publications

Dermatoglyphics from All Chinese Ethnic Groups Reveal Geographic Patterning

Dermatoglyphics from All Chinese Ethnic Groups Reveal Geographic Patterning

Envisioning African Intersex

A comparison of dermatoglyphic methodologies in population studies

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