heterochromatin वाक्य
उदाहरण वाक्य
मोबाइल
- The second chromosomal abnormality is called heterochromatin repulsion ( HR ).
- Methylation at lysine 9 is associated with transcriptional repression and heterochromatin.
- Facultative heterochromatin is the result of genes that are RNAi.
- It is not repetitive and shares the compact structure of constitutive heterochromatin.
- The regions that stain darker are regions of constitutive heterochromatin.
- The three most common modifications in constitutive heterochromatin are heritable.
- More condensed ( tightly packed ) DNA is referred to as heterochromatin.
- During cell division, heterochromatin formation is required for proper chromosome segregation.
- The inner plate appears like a discrete heterochromatin domain throughout the cell cycle.
- Visualization of constitutive heterochromatin is possible by using the C-banding technique.
- Of these, Sir2p, Sir3p and Sir4p form the core of heterochromatin.
- Also in yeast, RNA silencing has been shown to maintain heterochromatin structure.
- Constitutive heterochromatin can affect the genes near itself ( position-effect variegation ).
- The constitutive heterochromatin stains darker because of the highly condensed nature of the DNA.
- Histone modifications are one of the main ways that the cell condenses constitutive heterochromatin.
- Sir3p binding follows, further condensing the heterochromatin.
- PRC2 recruits MACROH2A is a replacement for histone H2A that also supports heterochromatin formation.
- Reasons might be the presence of repetitive sequences, extensive DNA methylation, or heterochromatin.
- This heterochromatin greatly reduces, if not completely silences gene expression of the Barr body.
- Yeast, " Drosophila " and mammals all have heterochromatin flanking their centromeres.
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