Ne·o-La·marck·ism 
(nē′ō-lə-märkĭz′əm)
(nē′ō-lə-märkĭz′əm)n.
A theory of the late 1800s and early 1900s, based on Lamarckism, that adaptive characteristics acquired by an organism during its lifetime could be inherited by its offspring.
Ne′o-La·marcki·an (-märkē-ən) adj. & n.