By fusing lymphoblastoid cells of an AGS patient that exhibited a microdeletion in the short arm of Chr 20 encompassing bands p11 . 23 to p12 . 3 with rodent thermosensitive mutant cells ( CHOtsH1-1 ) deficient in-leucyl-tRNA synthetase , we isolated a somatic cell hybrid segregating the deleted human Chr 20 .
by fusing lymphoblastoid cells of an ags patient that exhibited a microdeletion in the short arm of chr 20 encompassing bands p11 . 23 to p12 . 3 with rodent thermosensitive mutant cells ( chotsh1-1 ) deficient in-leucyl-trna synthetase , we isolated a somatic cell hybrid segregating the deleted human chr 20 .
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