进行有性生殖的生物对维持其前后代体细胞中染色体数目的恒定起重要作用的生理过程是 A.无丝分裂与受精作用 b.无丝分裂与有丝分裂 C.减数分裂 Template




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tomski进行有性生殖的生物对维持其前后代体细胞中染色体数目的恒定起重要作用的生理过程是 a.无丝分裂与受精作用 b.无丝分裂与有丝分裂 coloring