one of the very small structures like threads in the nuclei (= central parts) of animal and plant cells, that carry the gene Humans have 23 pairs of chromosomes in their cells. see sex chromosome, X chromosome, Y chromosome
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NAmE//ˌkroʊməˈsoʊməl//
adjective chromosomal abnormalitiesSee chromosome in the Oxford Advanced Learner's DictionaryCheck pronunciation: chromosome