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[Genetic-linkage] QTL effect size calculation in MapQTL

Gina via gen-link%40net.bio.net (by gina4113 from gmail.com)
Mon Mar 30 08:22:12 EST 2015

Hi everybody! I just start to learn the software MapQTL and here I have some questions about how to calculate the QTL effect size with the "Kruskal/Wallis test" analysis results. I hope you will kindly help me to figure these things out. Thanks.

For example, my sample population is F2 population and the parental genotypes for one QTL locus is [hk x hk].

1. Does the effect size of this QTL locus equal to the difference between Mean-hh and Mean-kk? I mean, is the QTL effect size estimated as the difference between the value of Mean-hh and Mean-kk?

2. Is it possible that the value of Mean-hk is not between Mean-hh and Mean-hk? 


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