Sentence examples for extraordinarily infrequent from inspiring English sources

Notably, DUX4 expression in FSHD-derived cells is extraordinarily infrequent.

Firstly, in view of the convincing genetic data linking FSHD to the DUX4-fl RNA isoform [ 6- 8], why was DUX4-fl RNA expression in FSHD myoblasts and myotubes extraordinarily infrequent, e.g., ~ 1 in 1000 myoblast nuclei positive [ 8]?

PROFANITY -- Mild and infrequent.

PROFANITY -- Infrequent but strong.

Doors are infrequent.

It is very infrequent.

Droughts are infrequent.

It's extraordinarily competitive.

This is extraordinarily hard.

It's been that infrequent".

Petulant violence is not infrequent.