Showing results for "chromosomes"

• plural of chromosome.

chromosomes

Cultural  

1. 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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In humans, sex is determined by two chromosomes: an X-chromosome, which is female, and a Y-chromosome, which is male. (See sex chromosomes.)

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chromosomes

The result was a type of cell known as a tetraploid cell, which contains four complete sets of chromosomes rather than the usual two.

From Science Daily ● Oct. 15, 2026

During this evolutionary upheaval, large sections of genetic material were rearranged, bringing regions of chromosomes that had previously been separated into close proximity.

From Science Daily ● Oct. 12, 2026

Chromosome-scale assemblies provide much more detail by arranging genes in their proper order across complete chromosomes.

From Science Daily ● Aug. 25, 2026

Since that time, chromosomes have repeatedly fused, separated, and been rearranged as new animal lineages emerged.

From Science Daily ● Aug. 25, 2026

But chromosomes clumped together, making it impossible to get an accurate count.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

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