Assertion: chromosome | /r/HasProperty | disorder
Facets:
Source sentences:
text: This can occur either because each cell contains a full extra copy of chromosome 13 (a disorder known as trisomy 13 or trisomy D or T13), or because each cell contains an extra partial copy of the chromosome or because there are two different lines of cells - one healthy with the correct number of chromosomes 13 and one that contains an extra copy of the chromosome- mosaic Patau syndrome.