chromosomen.染色体chromosome injury染色体损伤chromosome anomaly染色体异常chromosome reunion染色体复合chromosome erosion染色体侵蚀chromosome walking染色体步查Chromosome unusual染色体异常chromosome library染色体文库chromosome landing染色体登陆,染色体着陆chromosomes ploidy染色体倍数性chromosome linkage染色体连系, 染色体连锁