The Weismann barrier was of great importance in its day and among other influences it effectively banished certain Lamarckian concepts: in particular, it would make Lamarckian inheritance from changes to the body (the soma) difficult or impossible.
A barreira de Weismann foi de grande importancia no seu momento e entre outras influencias que tivo contribuíu a desterrar certos conceptos lamarckistas: en concreto, facía que a herdanza lamarckista dos cambios producidos no corpo (o soma) fose difícil ou imposible.