When hybrids are able to breed inter se, they transmit to their offspring from generation to generation the same compounded organisation, and hence we need not be surprised that their sterility, though in some degree variable, does not diminish;
Hibridoak inter se umatzeko gai direnean, organizazio konposatu bera transmititzen diete belaunaldiz belaunaldi beren ondorengoei eta, horregatik, ez gaitu harritu behar haien antzutasuna ez gutxitzeak, neurri batean aldagarria izan arren;