Neighbor joining tress, dominant markers and population genetic structure

Article Abstract:

A simulation approach coupled with neighbor joining analyses is used to show that while the underlying population genetic structure is an important determinant of tree shape in the analysis of dominant data, the number of loci examined affects the topology. The conclusion states that the relationship between tree topology and the extent of genetic structuring of populations is contingent upon the number of dominant loci scored.

Genetic markers, Population genetics, Genetic research

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The relationship between flower size, inbreeding coefficient and inferred selfing rate in British Euphrasia species

Article Abstract:

The existence of relationship between flower size and breeding systems within Euphrasia is studied. The results showed negative correlation with flower size, as the consequences of variation in selfing rate among the Euphrasia populations, with selfing rate increasing as flower size decreases.

England, Physiological aspects, Plants, Flowering of, Plant flowering, Flowers

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Chloroplast DNA phylogeography of the arctic-montane species Saxifraga hirculus (Saxifragaceae)

Article Abstract:

The population genetic structure of an arctic-montane herb, Saxifraga hirculus (Saxifragaceae) is analyzed by means of chloroplast restriction fragment-length polymorphism. It is observed that no evidence is found for geographically structured genetically divergent lineages.

United Kingdom, Analysis, Haplotypes, DNA synthesis, Saxifragaceae

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