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Records of Y-inherited hairy ears in India

  • R. Ruggles Gates

Summary

While traveling in East Africa, three typical cases of hairy ears were observed incidentally in natives of India, two of whom were from Goa. The inheritance in all three cases was compatible with location of the gene in the Y-chromosome. Two other independent cases have been reported to me from the same general part of India, southeast of Bombay, which indicates a considerable frequency of the gene in this area.

The only previously known pedigree of this condition came from Italy in 1907, and several independent cases in males are described in the early Italian literature. In all these Italian families the hairy ears were associated with insanity or other psychiatric conditions, but this association may have been fortuitous, and hairy ears may be as frequent in Italy as in India.

RIASSUNTO

Tre casi tipici di orecchie pelose sono stati osservati per caso, durante un viaggio in Africa Orientale, in individui nativi dell'India, di cui due di Goa. L'eredità di tutti e tre i casi era compatibile con una localizzazione del gene nel cromosoma Y. Due altri casi indipendenti mi sono stati riferiti dalla stessa area dell'India, a sud-est di Bombay il che sta ad indicare una considerevole frequenza del gene in tale area.

L'unico caso famigliare precedentemente nato di questa anomalia veniva dall'Italia nel 1907, e diversi casi indipendenti in maschi sono descritti nella più lontana bibliografia italiana. In tutte queste famiglie italiane le orecchie pelose erano associate a pazzia od altre malattie psichiatriche, ma tale associazione potrebbe essere stata fortuita, e le orecchie pelose potrebbero essere altrettanto frequenti in Italia che in India.

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References

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Battistelli, L.: Il sistema pilifero nei normali e nei degenerati. Atti della Soc. Romana Antrop. 6: 161208. 1899.
Cainer, A.: Abnorme direzione dei peli nei padiglione auricolare di un alienato. Archivio di Psichiatr. Scienze Penali ed Antropologia Criminale. 19: 447449, 1898. Figs. 2.
Chiarugi, G.: Il tubercolo di Darwin e la direzione dei peli nei padiglione dell'orecchio umano. Boll, della Sezione dei Cultori delle Sci. Med. nella R. Accad. dei Fisiocritici di Siena. 6: 6063, 1888.
Gates, R. R.: Human Genetics, 2 vols. MacMillan. 1946.
Gates, R. R.: Etudes sur le croisement des races. III. Nouvelles observations concernant les oreilles, en particulier les lobes. J. de Génétique Humaine. 3: 95122. 1954.
Gradenigo, G.; La conformazione del padiglione dell'orecchio nei normali, negli alienati e nei delinquenti. Arch, di Psichiatr., Sci. Penali ed Antrop. Crim. II; 258279, 1890.
Pianetta, C.: Un caso di ipertricosi in alienato. Arch, di Psichiatr., Sci. Penali ed Antrop. Crim. 22: 454457, 1901.
Tommasi, C.: Contributo allo studio delle anomalie del padiglione auricolare e del sistema pilifero. Giorn. Psichiatria Clin. e Tech. Manicomiale 35: 121, 1907. Figs. 5.
Tommasi, C. Ipertricosi auricolare famigliare. Arch, di Psichiatr., Neuropat., Antropol., Crim. e Med. Legale 28: 6067. 1907. Figs. 5.

Records of Y-inherited hairy ears in India

  • R. Ruggles Gates

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