The small bodies in the nucleus of a cell that carry the chemical “instructions” for reproduction of the cell. They consist of strands of DNA wrapped in a double helix around a core of proteins. Each species of plant or animal has a characteristic number of chromosomes. For human beings, for example, it is forty-six.
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notes for chromosomes
Words nearby chromosomes
Example sentences from the Web for chromosomes
Telomeres are the tips at the ends of our chromosomes that protect our DNA.
The radiation that damaged genes and chromosomes and tinier divisions also struck nerve cells.The Impossible Voyage Home|Floyd L. Wallace
It thus becomes possible to distinguish the sex of an embryo by counting the chromosomes of its cells.Being Well-Born|Michael F. Guyer
At the ripening period of the germ cell the members of each pair of chromosomes come together (fig. 49, e).
This is still more striking in the case of chromosomes of different sizes.Darwin and Modern Science|A.C. Seward and Others
The same statement holds equally for all of the other chromosomes.