Table 1 Markers from QF-PCR showing the suspected trisomy 21 in mosaic form in the analysis of the chorionic villus sampling and the maternal origin of the aberrant chromosome 21
Marker | Chorionic villus sampling | Amniocentesis | Maternal blood |
|---|---|---|---|
D21S1435 (ratio) | 185/189 (1:1.3) | 185/189 (1:1.8) | 185/189 |
D21S11 (ratio) | 250/252 (1.5:1) | 250/252 (1.9:1) | 250/260 |
D21S1270 (ratio) | 311 & 313/319 & 322 (1:1.1) | 311 & 313/319 & 322 (1:1.7) | 299 & 301/319 & 322 |
D21S1411 (ratio) | 317/330 (1.5:1) | 317/330 (2.2:1) | 317/322 |