the cytogenetic study by means of conventional techniques and gtg and qfq banding techniques showed that the chromosomal pattern of the propositus was 46 , xyq+ , -21 , +t ( 13q21q ) 15ps+,22ps+ , and that the nondisjunction that originated the translocation and trisomy had occurred in the mother .
C0008633
chromosomal
C1521099
22ps