Population genetics of the springbok Antidorcas marsupialis - a preliminary study

• Autorzy: Bigalke R.C. , Hartl G.B. , Berry M.P.S. , Van Hensbergen H.J.
• Języki publikacji: EN

Abstrakty

EN

Biochemical-genetic variation was studied in springbok Antidorcas m. marsupialis (Zimmermann, 1780) from a large (N > 2000) "wild" population (n = 24) and a small (30 > N > 20) isolated farm population (n = 10) using electrophoretic allozyme analysis. Springbok showed polymorphisms at eight out of 46 loci. The springbok from the large population had a higher proportion of polymorphic loci (P = 15.6%) than those from the small population (P = 8.9%). Average heterozygosity (H = 5.1% and H = 4.1%, respectively) was similar for the two populations. This unexpected result is an artefact of the method for calculating H. H:P ratios are lower for the large population than the small one. The distribution of genotypes differed significantly from Hardy-Weinberg equilibrium for two loci. These were found to have a preponderance of homozygotes. This could not be explained by population fragmentation. The levels of polymorphism and heterozygosity are high compared to results from other African bovids.

Słowa kluczowe

EN

gene pool; springbok; electrophoresis; Antidorcas marsupialis; population genetics; genetic variation

• Wydawca: -
• Czasopismo: Acta Theriologica. Supplement
• Rocznik: 1993
• Tom: 38
• Numer: 2
• Opis fizyczny: p.103-111

Twórcy

autor

Bigalke R.C.

• University of Stellenbosch, Stellenbosch 7600, South Africa

autor

Hartl G.B.

autor

Berry M.P.S.

autor

Van Hensbergen H.J.

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