Dermatoglyphics and Chromosomal Aberrations

Schaumann, Blanka A.; Alter, Milton

doi:10.1016/b978-0-12-775155-9.50019-9

Cited by 2 publications

(1 citation statement)

References 106 publications

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“…According to Schaumann and Alter [5], Casey et al [3] classified a whorl as a CP when the straight line drawn from the triradius of the loop to that of the enclosed whorl did not transect the whorl. Using this method, small whorls undoubtedly will be scored as CP, but also great whorls can fulfil the above mentioned requirement if they are longitudinally shaped.…”

Section: Discussionmentioning

confidence: 99%

Central Pockets in Dermatoglyphic Analysis: Classification, Frequency, Twin and Family Data

Vormittag¹,

Weninger

1984

Acta genet. med. gemellol.: twin res.

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Central pockets were defined as small, loop-enclosed whorls whose quantitative values must not exceed the third part of the quantitative value of the loop or as small, whorl-like patterns in the core of a loop having at least one curved ridge with its convexity towards the opening of the loop. Applying this classification scheme, the frequency of central pockets was found to be 17.5% in 200 males and 17.0% in 200 females, but was significantly higher in a sample of 21 male and 22 female pairs of MZ twins (33.2% and 34.1%, respectively). Twin as well as family data (94 families with 269 children) pointed to a rather weak hereditary influence upon the formation of central pockets. Rudimentary central pockets occurred in 9.5% of males and 10.0% of females. Since no common genetic basis could be established for central pockets and rudimentary central pockets, the latter should not be scored as central pockets.

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Section: Discussionmentioning

confidence: 99%

Central Pockets in Dermatoglyphic Analysis: Classification, Frequency, Twin and Family Data

Vormittag¹,

Weninger

1984

Acta genet. med. gemellol.: twin res.

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A study of digital dermatoglyphics in Ireland

Greally¹,

Roberts²

1991

Annals of Human Biology

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Handprints obtained from 600 Irish subjects (274 males and 326 females), drawn from all counties of Ireland, were analysed. There was no clear evidence of any differences between the four great provinces of Ireland, nor between east and west, such as were shown by comprehensive blood group data, and it is concluded that Ireland can be regarded as dermatoglyphically homogeneous. Comparisons of the Irish quantitative and qualitative digital dermatoglyphics with those from other samples in Britain, and from other European countries, show that Ireland occupies a near-extreme position in the European range. These results are regarded as compatible with the interpretation from blood group evidence, that Ireland represented a region of refuge for an ancient population in the face of continuing colonizing pressure from the east in prehistoric and historic times, and traces of that ancient population are detectable in the genepool today.

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Dermatoglyphics and Chromosomal Aberrations

Cited by 2 publications

References 106 publications

Central Pockets in Dermatoglyphic Analysis: Classification, Frequency, Twin and Family Data

Central Pockets in Dermatoglyphic Analysis: Classification, Frequency, Twin and Family Data

A study of digital dermatoglyphics in Ireland

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