先天愚型标准型的染色体核型为( ) A:46,XX(XY),-21,+t21q B:47,XX(XY),+21 C:46,XX(XY),-14,+t(14q21q) D:45,XX(XY),-14,-21,+t(14q21q) E:47,XX(XY),+t(14q21q) 选项:A:46,XX(XY),-21,+t21qB:47,XX(XY),+21C:46,XX(XY),-14,+t(14q21q)D:45,XX(XY),-14,-21,+t(14q21q) 染色体 标准型 发布时间:2024-06-16 20:29:43