[Electrophoretic analysis of lactate NAD oxidoreductase in interspecific hybrids between three species of the genus Sphaeroma: S. monodi, S. Rugicauda and S. hookeri].

The electrophoretic analysis of lactate NAD oxydoreductase in interspecific hybrids between three species of genus Sphaeroma (S. monodi, S. rugicauda and S. hookeri hookeri) leads, for each category of hybrids, to a distribution between the two parental enzymatic patterns and, consequently, shows the absence of an isozyme appropriate to these hybrids.