Seven of 15 fibroblast lines were heterozygous for polymorphic alleles , and the expression patterns were variable , i . e . , equal , unequal or monoallelic paternal expression in three , two and two cases , respectively .
seven of 15 fibroblast lines were heterozygous for polymorphic alleles , and the expression patterns were variable , i . e . , equal , unequal or monoallelic paternal expression in three , two and two cases , respectively .
O O O B-cell_line I-cell_line O O O B-DNA_family_or_group I-DNA_family_or_group O O O O O O O O O O O O O O O O O B-other_name I-other_name I-other_name O O O O O O O O O O