Polydactylism in Related New England Families

Odiorne, J. M.

doi:10.1093/oxfordjournals.jhered.a105244

Cited by 10 publications

(3 citation statements)

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“…Koehler (1930) reanalyzed Snyder's data and concluded that it could be also explained on the basis of an irregular dominant factor, which he (Koehler, 1923) had used to explain his data. More recent workers in this field, McClintic (1935), Jackson (1937), Ordiorne (1943), and Johnston and Davis (1953) are all in agreement that this trait is due to an irregular dominant factor. Our data as presented in figure 6 B, seems likewise to be in harmony with this point of view.…”

supporting

confidence: 60%

On the inheritance and development of preaxial and postaxial types of polydactylism

Marinis¹

1957

Acta genet. med. gemellol.

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SUMMARYTwo types of Polydactyly are described. Preaxial polydactylism is a relatively rare trait, involving a varying degree of duplication of the thumb. X-ray evidence is presented for this condition in a baby girl when first born and 5½ months later, showing the nature of its development. X-ray of the parents revealed that the mother was affected and the father was normal. Evidence points to the possibility that this trait follows a simple autosomaly type of inheritance. Postaxial polydactyly, the more common type, generally involves a duplication of the little finger (5th) with a varying degree of expression. A pedigree of a Negro family is described and X-ray evidence for this trait is given. Each duplicated miniature finger consists of two small but well formed phalanges. The trait seems to be transmitted as an incomplete dominant.

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supporting

confidence: 60%

On the inheritance and development of preaxial and postaxial types of polydactylism

Marinis¹

1957

Acta genet. med. gemellol.

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“…Despite ancient descriptions of polydactyly, the first attempts to classify thumb polydactyly were not developed until the 20th century [16]. Egawa [7] in Japan and Millesi [13] in Austria organized the various presentations of thumb polydactyly into classification systems in their native languages in 1966 and 1967, respectively.…”

Section: Historymentioning

confidence: 99%

Classifications in Brief: The Wassel Classification for Radial Polydactyly

Manske

Kennedy

Huang

2017

Clinical Orthopaedics &Amp; Related Research

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“…Specifically, "preaxial polydactyly" was coined for several anomalies found on either the radial side of the hand or the tibial side of the foot. Although biblical scriptures dating back thousands of years described thumb polydactyly 2 , the first modern classification of preaxial polydactyly of the hand was not established until the twentieth century. Initial attempts to classify thumb polydactyly had not been made until 1966 by Egawa 3 in Japan and 1967 by Millesi 4 in Austria.…”

mentioning

confidence: 99%