TAILIEUCHUNG - Báo cáo sinh học: "Inheritance of coat and colour in the Griffon Bruxellois dog"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: Inheritance of coat and colour in the Griffon Bruxellois dog | 167 Genet Sei Evol 1994 26 167-170 @ Elsevier INRA Note Inheritance of coat and colour in the Griffon Bruxellois dog R Robinson St Stephens Nursery St Stephens Road London W13 8HB UK Received 5 July 1993 accepted 12 November 1993 Summary - The varieties of the Griffon Bruxellois dog consist of the colours black red and black and tan combined with either a rough or normal coat. Analysis of litter data reveals that the colours are produced by mutant alleles of the agouti locus solid black As dominant yellow Aw and black and tan a respectively. Rough coat is inherited as dominant to normal coat and may be attributed to the dominant wire hair mutant allele Wh. breed canine colours dog genetics Resume Hérédité du pelage et de la couleur du chien Griffon bruxellois. Les variétés du chien Griffon bruxellois correspondent aux couleurs noir rouge et noir et feu combinées avec un pelage normal OU grossier. L analyse de données de portées révèle que ces couleurs sont produites par des mutants au locus Agouti noir uniforme As jaune dominant Ay et noir et feu a respective-merit. Le pelage grassier est dominant vis-à-vis du pelage normal et pent être attribué à l allèle mutant poil dur Wh . pelage coloration génétique canine INTRODUCTION It is important to investigate the inheritance of coat type and colour varieties in individual breeds of dog. It is possible to make generalizations to explain the heredity in many breeds Little 1957 Robinson 1990 but it is becoming apparent that certain breeds possess mutant alleles which are particular to the breed. From the earliest days of canine genetics it has been known that alleles 1 dominant and 1 recessive at 2 independent loci can produce a similar yellow or red coat colour Little 1957 Robinson 1990 . More recently it has been discovered that 2 alleles at the same locus can produce a completely black coat Willis 1976 Carver 1984 . One can therefore no longer assume Little 1957 that black is always due to the same allele. Even more .

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