By rigorous phenotypic classification, Wrong and other workers showed that Type 1 RTA could have either dominant ( SCL4A1 mutation ) or recessive inheritance.
2.
Some phenotypic classifications, particularly those used when analyzing very diverse groups of taxa, are discrete and unambiguous; classifying organisms as possessing or lacking a tail, for example, is straightforward in the majority of cases, as is counting features such as eyes or vertebrae.