In humans , mutation of the XPB or XPD gene impairs NER , resulting in hyper-sensitivity to sunlight and greatly increased skin tumor formation .
in humans , mutation of the xpb or xpd gene impairs ner , resulting in hyper-sensitivity to sunlight and greatly increased skin tumor formation .
O B-multi_cell O O O O O O O O O B-other_name O O O O O O O O O O O O O