See Also: Facultative heterochromatin(health)
heterochromatin, facultative(medicine)
facultative heterochromatin(medicine)
Heterochromatin(medicine)
heterochromatin(dictionary)
constitutive heterochromatin(medicine)
heterochromatin, constituitive(medicine)
satellite-rich heterochromatin(medicine)
Facultative(medicine)
Facultative(health)

Facultative heterochromatin (health)


Chromosome material that can be either heterochromatin or euchromatin. The inactive X chromosome is made up of facultative heterochromatin. When a woman transmits that X chromosome to a son, the chromosome reverts to the euchromatic state and to genetic activity.