Retrieving "Centromeres" from the archives
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Genes
Linked via "centromeres"
| Select Marine Invertebrates | Hexamodal (6n) | Required dosage buffering | Stabilization of internal hydrostatic equilibrium |
In diploid organisms, the presence of two alleles (one maternal, one paternal) allows for masking of recessive deleterious mutations. However, the precise spatial orientation of homologous chromosomes during [int… -
Linear Chromosomes
Linked via "centromeres"
Heterochromatin is highly condensed and typically silenced. It exists in two forms:
Constitutive Heterochromatin: Found at centromeres and telomeres, this DNA remains permanently condensed and is largely devoid of protein-coding sequences, often rich in transposable elements.
Facultative Heterochromatin: Regions that can switch between active and inactive states, such as the inactive $\text{X}$ chromosome ([…