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Parental origin of chromosomal non‐disjunction in a 49,XXXXY male using recombinant‐DNA techniques
Author(s) -
Villamar M.,
Benitez J.,
Fernández E.,
Ayuso C.,
Ramos C.
Publication year - 1989
Publication title -
clinical genetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.543
H-Index - 102
eISSN - 1399-0004
pISSN - 0009-9163
DOI - 10.1111/j.1399-0004.1989.tb03181.x
Subject(s) - recombinant dna , meiosis , genetics , biology , dna , gene
We have analyzed the origin, in a patient with 49,XXXXY, of the four X‐chromosomes by means of recombinant DNA techniques. We found a maternal origin of the four X‐chromosomes due to non‐disjunctions in the first and second meiotic divisions.