Characterization of a Y/15 translocation by banding methods, distamycin A treatment of lymphocytes and DNA restriction endonuclease analysis

Abstract

A de novo 14/21 Robertsonian translocation and a familially inherited Y/15 translocation were observed in a male infant with anomalies of the external genitalia. The Y/15 translocation was confirmed by cultivating lymphocytes in a medium containing distamycin A and by determining the occurrence of the Y‐specific DNA sequences by means of Hae III restriction endonuclease analysis. Any connection between the structural chromosomal abnormalities and the symptoms of the infant is highly improbable.