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chromosome

/kroh-muh-sohm/US // ˈkroʊ məˌsoʊm //UK // (ˈkrəʊməˌsəʊm) //

染色体,染色质,染色体组,染色单体

Related Words

Definitions

n.名词 noun
  1. 1

    Genetics.

    • : any of several threadlike bodies, consisting of chromatin, that carry the genes in a linear order: the human species has 23 pairs, designated 1 to 22 in order of decreasing size and X and Y for the female and male sex chromosomes respectively.

Synonyms & Antonyms

Examples

  • He named chromosomes in 1888, before their exact nature was well-known.

  • The scientists were especially interested in their telomeres—protective DNA sequences at the ends of chromosomes that act a bit like the caps on the ends of shoelaces.

  • Kelly experienced changes in his gut microbiome, his cognitive abilities slowed down, certain genes would turn off and on, and his chromosomes experienced structural changes.

  • In a study published last month, researchers at the Massachusetts Institute of Technology tracked an important part of the memory-making process at the molecular scale in engram cells’ chromosomes.

  • Each of Hsal’s cells carries 25 copies of its chromosome, which fragment and reassemble after a high radiation dosage.

  • And yet they proved to have the same virus fossils in the exact same chromosome amid billions of possibilities.

  • Carried distinctly through men, the Y chromosome only gives a portion of the entire mitochondrial DNA.

  • It's not delirium tremors and chromosome breakage and only a small number of users would be seriously harmed.

  • Once it was shown that women can have a single X chromosome (just as men can have two of them) that was abandoned as well.

  • What does it mean, really, if your 14-week-old fetus has a deletion on chromosome 12?

  • This X chromosome has also the factor for the development of red-eye pigment.

  • The accessory chromosome has been now observed in most of the great divisions of insects, except, as it happens, Lepidoptera.

  • Montgomery afterward showed that Henkings nucleolus was an accessory chromosome.

  • The chromosome situation in Protenor is a somewhat extreme case, inasmuch as one X chromosome is entirely lacking in the male.

  • On the basis of the chromosome theory the following explanation could be given of this numerical relation.