Thomas I M, Sayee R, Shavanthi L, Sridevi H
Department of Anatomy, St John's Medical College, Bangalore, India.
J Med Genet. 1994 May;31(5):418-9. doi: 10.1136/jmg.31.5.418.
A male child with typical features of Down's syndrome and mosaicism of two trisomic cell lines, trisomy 18 (84%) and trisomy 21 (16%), is reported. Non-disjunction or anaphase lag of chromosomes 18 and 21 could be the cause.
报道了一名患有唐氏综合征典型特征且存在两种三体细胞系(18三体,占84%;21三体,占16%)嵌合体的男童。18号和21号染色体的不分离或后期延迟可能是病因。