chromosome

Definition from Wiktionary, a free dictionary

[edit] English

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Chromosome

Wikipedia

An illustration of chromosome, with its parts. (1) Chromatid. One of the two identical parts of the chromosome after S phase. (2) Centromere. The point where the two chromatids touch, and where the microtubules attach. (3) Short arm (4) Long arm.

[edit] Etymology

19th century: from German Chromosom, ultimately from Ancient Greek χρῶμα (khroma), “‘colour’”) + σῶμα (“‘body’”) (because they are stained under the microscope).

[edit] Pronunciation

• (UK) IPA: /ˈkɹəʊ.məˌsəʊm/, SAMPA: /"kr@U.m@%s@Um/
• (US) IPA: /ˈkɹoʊməˌsoʊm/, SAMPA: /"kroUm@%soUm/

[edit] Noun

chromosome (plural chromosomes)

1. (biology, cytology) A structure in the cell nucleus that contains DNA, histone protein, and other structural proteins.

[edit] Derived terms

• chromosomal
• isochromosome
• X chromosome
• Y chromosome

[edit] Translations

[edit] External links

• chromosome in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• chromosome in The Century Dictionary, The Century Co., New York, 1911
• chromosome at OneLook® Dictionary Search