Representative PFGE gels where genotypes in child partially match mother. Mother/Child Pair #26 where child’s MS genotype 26BP-2 does not match mother, while other child genotypes (26BP-1,5,BC-1) match maternal genotypes (26M-1,2,5). (B) Mother/Child Pair #27 where genotypes 27BP-1, 27BC-3 do not match maternal genotypes, while child’s 27BC-1 matches maternal genotypes (27M-5,6,7). -Dice coefficient greater than 70% indicates match.