chromosome

noun chro·mo·some \ ˈkrō-mə-ˌsōm , -ˌzōm \
Updated on: 21 Nov 2017

Definition of chromosome

: any of the rod-shaped or threadlike DNA-containing structures of cellular organisms that are located in the nucleus of eukaryotes, are usually ring-shaped in prokaryotes (such as bacteria), and contain all or most of the genes of the organism; also : the genetic material of a virus — compare chromatin

chromosomal

play \ˌkrō-mə-ˈsō-məl, -ˈzō-\ adjective

chromosomally

play \-mə-lē\ adverb

Recent Examples of chromosome from the Web

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Origin and Etymology of chromosome

International Scientific Vocabulary

Other Genetics Terms


CHROMOSOME Defined for English Language Learners

chromosome

noun

Definition of chromosome for English Language Learners

  • : the part of a cell that contains the genes which control how an animal or plant grows and what it becomes


CHROMOSOME Defined for Kids

chromosome

noun chro·mo·some \ ˈkrō-mə-ˌsōm \

Definition of chromosome for Students

: one of the rod-shaped or threadlike structures of a cell nucleus that contain genes and divide when the cell divides

Medical Dictionary

chromosome

noun chro·mo·some \ ˈkrō-mə-ˌsōm, -ˌzōm \

medical Definition of chromosome

: any of the usually linear bodies of the cell nucleus of eukaryotic organisms, the usually circular bodies of prokaryotic organisms (as bacteria), or especially in some schools of molecular biology the genomes of DNA viruses (as bacteriophages) that take up basophilic stains and contain most or all of the genes of the organism
  • both the chromosomes of cells and those of viruses can duplicate only in the complex environment of a living cell
  • —J. D. Watson
  • an episome, an element that may exist as a free circular plasmid, or that may become integrated into the bacterial chromosome as a linear sequence
  • —Benjamin Lewin

chromosomal

play \ˌkrō-mə-ˈsō-məl, -ˈzō-\ adjective

chromosomally

play \-mə-lē\ adverb

Illustration of chromosome



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