Figure 4: The southern blot result for the Gcg copy number of 8 mammalian species.

Lane 1, pork DNA digested by BamHI; 2, beef DNA digested by BamHI; 3, sheep DNA digested by BamHI; 4, horse DNA digested by BamHI; 5, dog DNA digested by BamHI; 6, mouse DNA digested by BamHI; 7, rabbit DNA digested by BamHI; 8, human placenta DNA digested by BamHI; Lane M, Marker (not recognized).