Serum ?-Globulin Polymorphism in Mice

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Abstract
Data are presented to show that there are 3 serum B-globulin types in laboratory mice controlled by a pair of alleles. Each allele appears to give rise to 3 electrophoretically distinct zones in starch gel. Within the inbred strain A/AGS there was variation between mice in the intensity of staining of the 3 zones. Reciprocal mating data gave no evidence of an effect of B-globulin type on segregation ratios as has been reported for cattle.