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

heterochromatin, facultative (medicine)


heterochromatin, facultative
Heterochromatin that need not always be heterochromatic but has the faculty to return to the normal euchromatic state. The inactive x chromosome is made up of facultatative heterochromatin. When a woman transmits that x to a son, it reverts to euchromatin and genetic activity.