- the action of a gene in the production of a protein or a phenotype.
- expressivity(def 2).
Origin of expression
Examples from the Web for expression
It was also an attack on our freedom of expression and way of life.Politicians Only Love Journalists When They're Dead|Luke O’Neil|January 8, 2015|DAILY BEAST
“Tu eres como chuleria en pote,” goes the Puerto Rican expression that gave rise to his moniker.
However the expression on his face offered some explanation.The Life and Hard Times Of The Family A Cuban Defector Left Behind|Brin-Jonathan Butler|December 19, 2014|DAILY BEAST
Chris Stein of Blondie catches Ramone with an “aw, shucks” expression just after he drops a plate of food.‘All Good Cretins Go to Heaven’: Dee Dee Ramone’s Twisted Punk Paintings|Melissa Leon|December 15, 2014|DAILY BEAST
Future was determined to supply it using the very modes of expression it had turned its back on.Future Makes Us Rethink Everything We Thought We Knew About Rap Artists|Luke Hopping|December 15, 2014|DAILY BEAST
Still I cannot see that this at all explains the expression of a "cock-and-bull story."
His eyelids droop slightly, but his eyes are keen and his expression astute.Loyalties (Fifth Series Plays)|John Galsworthy
Infinite—this word is by no means the expression of a clear idea: it is merely the expression of an effort to attain one.
I bowed my head to conceal the expression which might have told his lordship that I intended to do nothing of the kind.The International Spy|Allen Upward
The form of expression was so crude that once more Barbara was startled.The Dust Flower|Basil King