misexpress
/ˌmɪsɪkˈsprɛs/ /ˌmɪsɛkˈsprɛs/verb
1 [with object] To express (oneself, an emotion) wrongly, badly, or inappropriately.
2 [with object] Molecular Biol. To alter the normal expression of or abnormally express (a gene product or gene).
Origin
Early 18th century. From mis- + express. Compare earlier misexpression.