We also examined tow of the XISTE- ring chromosomes to determine whether genes that are normally silent on an inactive X are expressed from these chromosomes .
we also examined tow of the xiste- ring chromosomes to determine whether genes that are normally silent on an inactive x are expressed from these chromosomes .
O O O O O O B-DNA_molecule I-DNA_molecule I-DNA_molecule O O O B-DNA_family_or_group O O O O O O B-DNA_molecule I-DNA_molecule O O O O B-DNA_family_or_group O