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.
〔遗传〕（人类和其他哺乳动物的）Y染色体（性染色体的一种，一般仅存于雄性细胞中，标为XY）。比较X CHROMOSOME
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.
〔遗传〕（人类和其他哺乳动物的）Y染色体（性染色体的一种，一般仅存于雄性细胞中，标为XY）。比较X CHROMOSOME
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.

词汇	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. 〔遗传〕（人类和其他哺乳动物的）Y染色体（性染色体的一种，一般仅存于雄性细胞中，标为XY）。比较X CHROMOSOME 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. 〔遗传〕（人类和其他哺乳动物的）Y染色体（性染色体的一种，一般仅存于雄性细胞中，标为XY）。比较X CHROMOSOME 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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