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J Genet Hum. 1976 Jun;24(2):81-93.

[A small supernumerary metacentric chromosome: interprétation test (author's transl)].

Journal de genetique humaine

[Article in French]
N Ayraud, B Noel, M Llyod, J Letourneau, J Martinon

PMID: 965953

Abstract

The report relates to a new case of small supernumerary metacentric chromosome. The phenotypical variability of previously published cases suggests that this chromosomal anomaly may arise from multiple origins. Our study shows the difficulties of a cytogenetic interpretation and the limits of the semeiologic arguments. It is, however, possible to hypothesize an 18 partial trisomy.

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