chromosomal studies in chromatin-negative patients allowed us to detect 44 karyotypes 45 , x , 20 structural x anomalies ( 14 rings , 4 deletions for the long arm , 2 deletions for the short arm ) and 4 patients with 45 , x/46 , xy mosaics , while chromosomal studies in chromatin-positive patients revealed 57 abnormal and 61 normal karyotypes .
C0008633
chromosomal
C0008546
chromatin