柯林斯詞典chromatid /?kr??m?t?d/ 1. N either of the two strands into which a chromosome divides during mitosis. They separate to form daughter chromosomes at anaphase 染色單躰 返回 chromatid劍橋詞典either of the parts into which a chromosome divides during mitosis (= when one cell divides into two identical cells ) 染色單躰 返回 chromatid