chromosomes
n. countable C1 Advanced US //ˈkɹoʊməˌsoʊmz// UK //kɹˈəʊməsˌəʊmz// chro·mo·somes
n. a thread-like structure in your cells that holds DNA. It carries the instructions for how your body grows and works.
n. a thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
Humans have 23 pairs of chromosomes in their cells.
The doctor explained that the extra chromosome caused the genetic condition.
During cell division, the chromosomes condense and become visible under a microscope, ensuring that each new cell receives an identical set of genetic instructions.