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aCGH and STR data from cTBs. (a) cTB-derived aCGH data showed trisomy 21 in the fetus. The data were derived from three cTBs from a male fetus carried by an expectant mother (#10 in Table 2) with a diseased fetus with confirmed fetal trisomy 21. (b) STR analysis confirmed fetal–parental relationship between cTBs and maternal cells and showed consistency between cTBs and the matching umbilical tissue.
