Reports

Blood Groups of the I System in Pigs: Association with Variants of Serum Amylase

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Science  30 Sep 1966:
Vol. 153, Issue 3744, pp. 1660-1661
DOI: 10.1126/science.153.3744.1660

Abstract

The Am I variant of porcine serum amylase was detected only in pigs having the red-cell antigen Ib, whereas several Ib positive pigs were found without Am I. Family and population studies show that the chromosomal loci, I and Am, are identical or closely linked. The phenotype of one exceptional progeny from a double backcross mating possibly was a result of paternal irradiation or genetic recombination during oögenesis.

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