Article
Cytogenetic and histological features of a human embryo with homogeneous chromosome 8 trisomy
1 Jan 2006
Abstract excerpt
BACKGROUND: Homogeneous and complete trisomy 8 is extremely rare. With one recent neonatal exception, all reported cases have been mosaic, due to mitotic non-disjunction during early zygotic development. We report a case of chromosome 8 trisomy in a human embryo examined at Carnegie stage 11 (25 days post-fertilization). It presented severe cardiovascular and central nervous system malformations. METHODS: The...
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