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单词 Y chromosome
释义

Definition of Y chromosome in English:

Y chromosome

noun
Genetics
  • (in humans and other mammals) a sex chromosome which is normally present only in male cells, which are designated XY.

    Compare with X chromosome
    Example sentencesExamples
    • Bone marrow derived cells were identified by the presence of the Y chromosome, ordinarily found only in males.
    • Genes in the second group are expressed exclusively in testes and form gene families on the Y chromosome.
    • Evidence for concerted evolution of repeated sequences on the human Y chromosome has recently been presented.
    • This is particularly so for sheltered chromosomes without recombination such as the Y chromosome in mammals.
    • If a gene on the Y chromosome mutates, that piece of the male genetic code may disappear.
 
 

Definition of Y chromosome in US English:

Y chromosome

nounˈwaɪ ˌkroʊməˌsoʊm
Genetics
  • (in humans and other mammals) a sex chromosome which is normally present only in male cells, which are designated XY.

    Compare with X chromosome
    Example sentencesExamples
    • Bone marrow derived cells were identified by the presence of the Y chromosome, ordinarily found only in males.
    • This is particularly so for sheltered chromosomes without recombination such as the Y chromosome in mammals.
    • Evidence for concerted evolution of repeated sequences on the human Y chromosome has recently been presented.
    • If a gene on the Y chromosome mutates, that piece of the male genetic code may disappear.
    • Genes in the second group are expressed exclusively in testes and form gene families on the Y chromosome.
 
 
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更新时间:2024/12/23 15:59:21