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单词 homeobox
释义

Definition of homeobox in English:

homeobox

(also homoeobox)
noun ˌhɒmɪə(ʊ)ˈbɒksˌhəʊmɪə(ʊ)ˈbɒksˈhōmēōˌbäks
Genetics
  • Any of a class of closely similar sequences which occur in various genes and are involved in regulating embryonic development in a wide range of species.

    as modifier homeobox gene
    Example sentencesExamples
    • A homeobox gene involved in setting up the mammalian body plan also appears to control grooming behavior in mice.
    • He and his group have discovered the homeobox, a DNA segment characteristic for homeotic genes which is not only present in arthropods and their ancestors, but also in vertebrates up to man.
    • Black vertical lines indicate the typical homeobox gene family and gray vertical lines the atypical homeobox gene family.
    • Comparisons of the roles of homeobox genes in metazoan development are playing a pivotal role in the current resynthesis of developmental and evolutionary biology.
    • Because of their fundamental importance in development, homeobox genes are of substantial interest to evolutionary biologists as they may provide key information on the evolution of development.

Origin

1980s: from homeotic (see homeosis) + the noun box1; first discovered in homeotic genes of Drosophila fruit flies.

 
 

Definition of homeobox in US English:

homeobox

nounˈhōmēōˌbäks
Genetics
  • Any of a class of closely similar sequences which occur in various genes and are involved in regulating embryonic development in a wide range of species.

    as modifier homeobox gene
    Example sentencesExamples
    • He and his group have discovered the homeobox, a DNA segment characteristic for homeotic genes which is not only present in arthropods and their ancestors, but also in vertebrates up to man.
    • A homeobox gene involved in setting up the mammalian body plan also appears to control grooming behavior in mice.
    • Comparisons of the roles of homeobox genes in metazoan development are playing a pivotal role in the current resynthesis of developmental and evolutionary biology.
    • Black vertical lines indicate the typical homeobox gene family and gray vertical lines the atypical homeobox gene family.
    • Because of their fundamental importance in development, homeobox genes are of substantial interest to evolutionary biologists as they may provide key information on the evolution of development.

Origin

1980s: from homeotic (see homeosis) + the noun box; first discovered in homeotic genes of Drosophila fruit flies.

 
 
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更新时间:2024/12/23 13:29:10