The rapid expansion of the number of women now suitable for X inactivation analysis has however given rise to new controversies , one of the more troublesome being the possibility of a modification of the pattern of X- chromosome inactivation pattern in blood cells of elderly women .
the rapid expansion of the number of women now suitable for x inactivation analysis has however given rise to new controversies , one of the more troublesome being the possibility of a modification of the pattern of x- chromosome inactivation pattern in blood cells of elderly women .
O O O O O O O B-multi_cell O O O B-other_name I-other_name O O O O O O O O O O O O O O O O O O O O O O O O B-DNA_molecule I-DNA_molecule O O O B-cell_type I-cell_type O B-multi_cell B-multi_cell O