House Fly1 Genetics: Inheritance Patterns of Phosphoglucomutase, Hexokinase, and Glutamate-Oxaloacetate Transaminase Isozymes,3

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Abstract
The inheritance patterns of phosphoglucomutase (Pgm), hexokinase (Hk), and glutamate-oxaloacetate transaminase (Got) were investigated in the house fly, Musca domestica L., by means of polyacrylamide gel electrophoresis. Zymogram analyses indicated the existence of codominant alleles segregating at 4 autosomal loci designated as Pgm1 (5 alleles), Pgm2 (2 alleles), Hk2 (2 alleles) and Got1 (4 alleles). Also, 2 regions of the Hk gels (Hk3 and Hk4) and 1 region of the Got gels (Got2) exhibited apparent nonsegrating isozymes. A single invariant band designated as Hkl was observed in all Hk gels used to obtain inheritance data, but zymograms showing 2 bands in the Hkl zone have been noted among field collected house flies; thus, the 2 forms have been given tentative allele status subject to additional tests. Flies heterozygous for any 2 Got1 alleles exhibited 3 bands, suggesting that the enzymes of the Got1 system are dimers.