Phenotypes

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Coat colour, extension — Black/red coat colour; Haplotype HBR; Haplotype HHR

For information relating to Bos indicus cattle see: OMIA 001199-9915 : Coat colour, extension in Bos indicus

OMIA ID: 1199Inheritance: As summarised by Lawlor et al. (2014), "Dominant inheritance of black over re...Characterised: YesYear: 1995
Genes:MC1R
Variants:Dominant blackRecessive redrecessive redRecessive red
Breeds:Abondance (Cattle)Angus (Cattle)Brown Swiss (Cattle)Evolèner, Switzerland (Cattle)Fries Roodbont, Netherlands (Cattle) + 9 more
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Hypotrichosis with coat-colour dilution (rat-tail syndrome) — rat-tail syndrome

Knaust et al. (2016) reported: "evidence that the RTS phenotype results from an epistatic interaction between three independent loci: dilution (that corresponds to the PMEL gene at 55 Mb on BTA5), extension (that corresponds to the MC1R gene on BTA18) and the RTS locus that is located in the interval between 14 and 22 Mb on BTA5. The prerequisites for expression of the RTS phenotype are a eumelanic background due to the presence of the dominan...

OMIA ID: 1544Inheritance: N/ACharacterised: YesYear: 2016
Genes:MC1RPMEL
Variants:None linked
Breeds:None linked