chromosomes同源染色体chromosomen.染色体chromosome reduction染色体减数chromosome mosaicism染色体嵌合现象chromosome stickness染色体黏性Chromosome-encoded染色体介导chromosome fragility染色体脆性chromosome inversion染色体倒位chromosome bacterial细菌染色体chromosome setellite染色体随体, 染色体小星体chromosome evolution染色体进化chromosome satellite染色体随体