| 单词 |
constitutive heterochromatin |
| 释义 |
DictionarySeeheterochromatinconstitutive heterochromatin
constitutive heterochromatin[′kän·stə‚tüd·iv ¦hed·ə·rō′krō·məd·ən] (genetics) A type of heterochromatin that is always condensed and is often centered on either side of the centromere, and that stains to give a C band. constitutive heterochromatin
heterochromatin [het″er-o-kro´mah-tin] that state of chromatin in which it is dark-staining, genetically inactive, and tightly coiled.constitutive heterochromatin the chromatin in regions of the chromosomes that are invariably heterochromatic; it contains highly repetitive sequences of DNA that are genetically inactive and serves as a structural element of the chromosome.facultative heterochromatin the chromatin in regions of the chromosomes that become heterochromatic in certain cells and tissues; for example, it makes up the inactive X chromosome in female somatic cells.con·sti·tu·tive het·er·o·chro·ma·tinrepetitive heterochromatin that lies in secondary constrictions in the nucleolar organizers. |
| 随便看 |
- commander us fifth fleet
- commander, us fleet forces command
- commander, us forces, caribbean
- commander, us joint forces command
- commander, us marine corps forces, pacific
- commander, us maritime defense zone
- commander us military assistance command vietnam
- commander, us naval activities
- commander, us naval forces, azores
- commander, us naval forces, caribbean
- commander us naval forces europe
- commander, us naval forces, iceland
- commander, us naval forces, japan
- commander, us naval forces, korea
- commander, us naval forces, marianas
- commander, us naval forces, philippines
- commander, us pacific fleet
- commander us surface forces, atlantic
- commander us surface forces, pacific
- commander western hemisphere group
- commander, western mediterranean area
- commandery
- commandery (china)
- commander’s critical information requirement
- commander’s information fusion cell
|