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Estimation of Genetic Diversity in Sheep (Ovis aries) using Randomly Amplified Polymorphic DNA
並列摘要
Domestic sheep (Ovis aries) belongs to order Artiod actyla. Despite its great economic importance, not much work has been done in Pakistan on breeding and genetics of sheep. Present research was initiated to analyze DNA based genetic diversity in Pakistani breeds of sheep. Total genomic DNA was isolated from blood of Rambouillet, Kaghani and Ramghani breeds. Polymerase Chain Reactions (PCR) were carried out using six Randomly Amplified Polymorphic DNA (RAPD) primers. Amplified fragments ranged in size from 500 bp to 2000 bp. On average, 3 alleles per genotype were amplified. Average genetic distance estimate ranged from 30-100%. Eleven comparisons showed maximum genetic diversity (GD = 100%) while 6 comparisons sowed minimum genetic diversity (GD = 30%) for the loci detected using 6 RAPD primers. Phylogenetic elaboration among the 14 sheep accessions were carried out using dendrogram analysis. The 14 accessions of sheep were grouped into 5 clusters comprising 3, 3, 3, 3 and 2 accessions, respectively.
延伸閱讀
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