This led him to declare that inheritance of acquired characteristics was impossible, since the Weismann barrier would prevent any changes that occurred to the body after birth from being inherited by the next generation.
Isto levoulles a declarar que a herdanza de caracterísitcas adquiridas era imposible, xa que a barreira de Weismann impediría que calquera cambio que se producise no corpo despois do nacemento fose herdado pola seguinte xeración.