以下关于染色体的叙述正确是a每种生物的体细胞内具有稳定数目和相同结构的染色体b染色体就是生物的遗传物质c染色体化学成分是dna和蛋白质 Template




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tomski以下关于染色体的叙述正确是a每种生物的体细胞内具有稳定数目和相同结构的染色体b染色体就是生物的遗传物质c染色体化学成分是dna和蛋白质 coloring