downstream

down·stream

adv or adj \ˌdau̇n-ˈstrēm\

Definition of DOWNSTREAM

: in the same direction along a molecule of DNA or RNA as that in which transcription and translation take place and toward the end having a hydroxyl group attached to the position labeled 3′ in the terminal nucleotide <a nucleotide sequence located downstream from the regulatory gene> <effects on the expression of downstream genes>—compare upstream