A single nucleotide polymorphism on chromosome 10 is highly predictive for the polled phenotype in Australian Merino sheep

Dominik, S., Henshall, J. M. and Hayes, B. J. (2012) A single nucleotide polymorphism on chromosome 10 is highly predictive for the polled phenotype in Australian Merino sheep. Animal Genetics, 43 4: 468-470. doi:10.1111/j.1365-2052.2011.02271.x


Author Dominik, S.
Henshall, J. M.
Hayes, B. J.
Title A single nucleotide polymorphism on chromosome 10 is highly predictive for the polled phenotype in Australian Merino sheep
Journal name Animal Genetics   Check publisher's open access policy
ISSN 0268-9146
1365-2052
Publication date 2012-08
Year available 2011
Sub-type Letter to editor, brief commentary or brief communication
DOI 10.1111/j.1365-2052.2011.02271.x
Open Access Status Not yet assessed
Volume 43
Issue 4
Start page 468
End page 470
Total pages 3
Place of publication Chichester, West Sussex, United Kingdom
Publisher Wiley-Blackwell Publishing
Language eng
Formatted abstract
The aim of this study was to fine map the genomic location of the Horns locus in the Australian Merino sheep population and to identify markers that can be used to predict the horn phenotype. A linkage disequilibrium analysis of horn data from Australian Merino sheep mapped the Horns locus to a small region on chromosome 10. A single nucleotide polymorphism in the region was found to be highly predictive for the polled phenotype in an experimental population of Merino sheep. This was owing to a dominance effect of one of the alleles when inherited maternally. It was suggested that a genetic test would provide a good predictor of the polled phenotype. Finally, an evaluation of industry data showed that the SNP is at very different frequencies in Poll Merino sheep that have been bred for polledness (based on phenotype alone) compared with the Merino sheep breed.
Keyword Horn
Poll
Sheep
Single nucleotide polymorphism
Q-Index Code CX
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Letter to editor, brief commentary or brief communication
Collection: School of Agriculture and Food Sciences
 
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