Genetic variations of 26 loci in 12 isozymes have been checked using isozyme electrophoresis on vertical gradient gel of polyacrylamide for the two populations of pearl oyster Pinctada martensicollected from Daya Bay and Beibu Gulf respectively.

• 用聚丙烯酰胺梯度凝胶垂直平板电泳技术测定了大亚湾和北部湾合浦珠母贝Pinctadamartensi野生种群12种同工酶26个基因座位的遗传变异。