Answers are grounded in this paper and cite their sources.
A neonate with ususual facial features and multiple congenital malformations expired at 4 hours of age. An autopsy revealed severe anomalies of the gastrointestinal system and spinal dysplasia. Cytogenetic evaluation of fibroblasts cultured from a lung biopsy revealed a karyotope of 47,XX,+20.
No takes yet. Share an insight, caveat, or question.
Pan et al. (1976) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: