Which of the following is NOT a key characteristic of facultative
heterochromatin?
Facultative heterochromatin contains specific types of histone
modifications, such as H3K27me3 in animal cells.
Facultative heterochromatin tends to located close to the centromere
at the telomeres.
Facultative heterochromatin contains certain types of repeat sequen
such as LINES in animal cells.
The genes within facultative heterochromatin are silenced.