题目

With 21 years of research and development, the drug is thefirst hypoglycemic (降血糖的) drug of TCM approved inChina in 10 years, with completely independent (知识的) property rights. (根据汉语提示填空) 答案：【1】intellectual某人一个生殖细胞中的染色体组成是22条常染色体+X性染色体，这个细胞可能是（ ）A．卵细胞 B．卵细胞或精子细胞C．精子细胞 D．受精卵