Definition of heterochromatin in English:

heterochromatin

noun ˌhɛtərəʊˈkrəʊmətɪnˌhedərōˈkrōmədin

mass nounBiology

Chromosome material of different density from normal (usually greater), in which the activity of the genes is modified or suppressed.
〔植〕异染色质。比较EUCHROMATIN
Compare with euchromatin
Example sentencesExamples
- The organization of DNA into euchromatin and heterochromatin is implicated in gene silencing.
- Numerous genes act to remodel and repress chromatin in heterochromatin and around euchromatic genes during development.
- Studies of genes translocated to heterochromatin have provided insight into the factors that control chromatin states.
- Thus, the density of genes in heterochromatin is about 1% of that in euchromatin.
- Genes located in heterochromatin are transcriptionally silenced, irrespective of their own promoter sequences.

Definition of heterochromatin in US English:

heterochromatin

nounˌhedərōˈkrōmədin

Biology

Chromosome material of different density from normal (usually greater), in which the activity of the genes is modified or suppressed.
〔植〕异染色质。比较EUCHROMATIN
Compare with euchromatin
Example sentencesExamples
- The organization of DNA into euchromatin and heterochromatin is implicated in gene silencing.
- Studies of genes translocated to heterochromatin have provided insight into the factors that control chromatin states.
- Numerous genes act to remodel and repress chromatin in heterochromatin and around euchromatic genes during development.
- Thus, the density of genes in heterochromatin is about 1% of that in euchromatin.
- Genes located in heterochromatin are transcriptionally silenced, irrespective of their own promoter sequences.

词汇	heterochromatin
释义	Definition of heterochromatin in English: heterochromatin noun ˌhɛtərəʊˈkrəʊmətɪnˌhedərōˈkrōmədin mass nounBiology Chromosome material of different density from normal (usually greater), in which the activity of the genes is modified or suppressed. 〔植〕异染色质。比较EUCHROMATIN Compare with euchromatin Example sentencesExamples The organization of DNA into euchromatin and heterochromatin is implicated in gene silencing. Numerous genes act to remodel and repress chromatin in heterochromatin and around euchromatic genes during development. Studies of genes translocated to heterochromatin have provided insight into the factors that control chromatin states. Thus, the density of genes in heterochromatin is about 1% of that in euchromatin. Genes located in heterochromatin are transcriptionally silenced, irrespective of their own promoter sequences. Definition of heterochromatin in US English: heterochromatin nounˌhedərōˈkrōmədin Biology Chromosome material of different density from normal (usually greater), in which the activity of the genes is modified or suppressed. 〔植〕异染色质。比较EUCHROMATIN Compare with euchromatin Example sentencesExamples The organization of DNA into euchromatin and heterochromatin is implicated in gene silencing. Studies of genes translocated to heterochromatin have provided insight into the factors that control chromatin states. Numerous genes act to remodel and repress chromatin in heterochromatin and around euchromatic genes during development. Thus, the density of genes in heterochromatin is about 1% of that in euchromatin. Genes located in heterochromatin are transcriptionally silenced, irrespective of their own promoter sequences.
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