Figure 4From: A rare de novo duplication of chromosome 21q22.12 → q22.3 with other concomitant deletion and duplication of small fragments in 21q associated with Down syndrome: Prenatal diagnosis, molecular cytogenetic characterizationThe Polyacrylamide Gel Electrophoresis (PAGE) results showed that the DNA band of the fetus was the same as father’s, but was lack of the mother’s band. This indicates that the allele derived from his mother was deleted. M: maternal; P: Paternal; F: Fetus.Back to article page