期刊
MOLECULAR ECOLOGY NOTES
卷 6, 期 3, 页码 586-589出版社
BLACKWELL PUBLISHING
DOI: 10.1111/j.1471-8286.2006.01345.x
关键词
genetic diversity; polyploidy; population differentiation; SSR markers
Microsatellite markers are quite popular due to their degree of polymorphism and efficiency; however, the utility of such markers for analysing allotetraploid species is often hampered by an inability to determine allele copy number for partial heterozygotes. TETRASAT is a program that uses an iterative substitution process to account for all probable combinations of allele copy numbers in populations with partial heterozygote samples. The program subsequently calculates allele frequencies, and mean Hardy-Weinberg expected heterozygosity (H-E), Shannon-Weiner Diversity Index (H') and Nei's measure of population differentiation (G(ST)) are reported for each locus and population. Of equal importance is the calculation of statistical variability generated by the missing data and allele substitution process, which allows for assessment of the strength of conclusions drawn from the statistics.
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