Case | Marker used | Genotype in | Karyotype of placenta | |||||
---|---|---|---|---|---|---|---|---|
Father | Mother | Neonate | Placenta | MP1 | MP2 | |||
Allele number is defined according to the order of its size. | ||||||||
MP1 and MP2 indicate maternal plasma before and after delivery, respectively. | ||||||||
Bold and underlined numbers are paternally derived alleles seen in the placenta but missing in neonates. | ||||||||
Alleles seen in maternal plasma but absent in both neonate and placenta come from maternal blood DNA. | ||||||||
4 | D22S280 | 2, 3 | 1, 4 | 2, 4 | 2, 3, 4 | 1, 2, 3, 4 | 1, 4 | 46,XX(10)/47,XX,+22(40) |
5 | D7S640 | 2, 3 | 1, 4 | 1, 2 | 1, 2, 3 | 1, 2, 3, 4 | 1, 4 | 46,XX(16)/47,XX,+7(34) |
6 | D2S337 | 1, 2 | 3, 4 | 1, 4 | 1, 2, 4 | 1, 2, 3, 4 | 3, 4 | 46,XY(8)/47,XY,+2(42) |