Protein and enzyme uniformity in a new, isolated population of the sharp-tailed sparrow
作者： Gilles Seutin , Jean-pierre Simon
DOI: 10.1016/0305-1978(88)90103-2
关键词: Genetics 、 Polyacrylamide gel electrophoresis 、 Globin 、 Isoelectric focusing 、 Population 、 Zoology 、 Genetic variability 、 Isozyme 、 Biology 、 Sparrow 、 Loss of heterozygosity
摘要: Abstract Tissue samples of three breeding male Sharp-tailed sparrows, taken from a small, recently established population, were analysed by starch gel and polyacrylamide electrophoresis. We found no variation at 46 isozyme loci two globin activity sites. The probability that our sample has been population having an average heterozygosity level 0.058, the mean for emberizine sparrow is shown to be 0.00019. Banding patterns general proteins, resolved on isoelectric focusing gels, identical all individuals. apparent lack protein variability in most probably result bottleneck occurred time founding. sparrows are promiscuous, their populations frequently show unbalanced sex ratios. potential infiuence these life history traits rate deciine genetic discussed.
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