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

It occurs when two chromosomes join, and their genes become intermixed.

From Science Daily ● Aug. 25, 2026

They can reveal which genes an animal possesses without showing exactly where those genes are positioned along its chromosomes.

From Science Daily ● Aug. 25, 2026

The results suggest that the repeated emergence of complex insect societies may depend more on biological traits specific to certain evolutionary groups than on the way chromosomes are inherited.

From Science Daily ● Aug. 15, 2026

Scientists have long known that TRF2 mainly operates at telomeres, the protective DNA caps located at the tips of chromosomes.

From Science Daily ● Aug. 2, 2026

But for now, in a fragile peace dominated by the buzz of flies, they immersed themselves in experiments on genes and chromosomes.

From "The Gene" by Siddhartha Mukherjee