染色体 rǎnsètǐ chromosome Origin Definitions Defs Strokes Stroke Words Sentences Sents 多线染色体 duōxiànrǎnsètǐ polytene chromosome 常染色体 chángrǎnsètǐ autosome any chromosome that is not a sex chromosome染色体三倍体症 rǎnsètǐsānbèitǐzhèng trisomy 染色体倍性 rǎnsètǐbèixìng ploidy the number of sets of homologous chromosomes in a cell