wild-type allele
Dmau\OdsHmau alone is insufficient to cause hybrid sterility in D.simulans.
As the wild type alleles of the Ods genes of different species are not functionally equivalent, they are not denoted by the more usual '+' designation.
As the wild type alleles of the Ods genes of different species are not functionally equivalent, they are not denoted by the more usual '+' designation.