Although , strictly speaking , allozymes represent enzymes from different alleles of the same gene .
Isozymes represent enzymes from different genes that process or catalyse the same reaction , the two words are usually used interchangeably .
Although , strictly speaking , allozymes represent enzymes from different alleles of the same gene , and isozymes represent enzymes from different genes that process or catalyse the same reaction , the two words are usually used interchangeably .