Most people would agree that nuclear science should be developed to benefit the human beings_______ harm them. A. more than B. other than C. better than D. rather than 答案:D 解析: 3.如图所示几种性染色体异常果蝇的性别,育性,下列相关叙述中,错误的是( )A.正常果蝇在减数分裂过程中染色体组数目最多可达四个B.部分含有奇数条性染色体的个体既能正常生活又可育C.四个图中所示的变异都为染色体数目变异D.性染色体为XXY的个体产生的原因可能是卵细胞异常