Amylase genetic variation of serum in Holstein cattle

Three amylase phenotypes, AmIB, AmIC, and AmIBC, were detected by electrophoresis of blood serum from 329 Holstein cattle. These phenotypes appear to be controlled by two alleles AmIB and AmIC at the amylase I locus (AmI). Frequencies were .518 and .482 for alleles B and C. The numbers of phenotypes...

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Bibliographic Details
Published in:Journal of dairy science 1979-06, Vol.62 (6), p.982-984
Main Authors: Trowbridge, Carolyn L, Hines, H. C
Format: Article
Language:English
Subjects:
Amylases - blood
Amylases - genetics
Animals
Cattle - genetics
Genetic Linkage
Genetic Variation
Genotype
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Summary:Three amylase phenotypes, AmIB, AmIC, and AmIBC, were detected by electrophoresis of blood serum from 329 Holstein cattle. These phenotypes appear to be controlled by two alleles AmIB and AmIC at the amylase I locus (AmI). Frequencies were .518 and .482 for alleles B and C. The numbers of phenotypes corresponded closely to expectations of Hardy-Weinberg equilibrium. No evidence of linkage between the AmI locus and other genetic marker loci of blood and milk was detected.
ISSN:0022-0302
1525-3198
DOI:10.3168/jds.S0022-0302(79)83358-5