Testing STR Data for Hardy-Weinberg Equilibrium
Lauren McIntyre1 and George Carmody2
1 Health Services Research and Development, Department of Veterans Affairs, VA
Medical Center, Durham, NC
2 Carleton University, Ottawa, Ontario, Canada
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Testing genetic data for Hardy-Weinberg Equilibrium has traditionally been based on
methods for analysis of discrete data. Recently, methods for testing Hardy-Weinberg
equilibrium for continuous data have been explored. STR data are neither strictly
discrete, nor strictly continuous and thus the challenge is to determine the most
appropriate way to test these data for Hardy-Weinberg Equilibrium. In addition, as the
testing is motivated by the need to use these data as a basis for computing genotype
frequencies, the strategy used to compute genotype frequencies must also be considered
when determining an appropriate testing strategy. We present different ways to test STR
data for Hardy-Weinberg and discuss some of the consequences of these different
approaches.
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