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Not exactly

Posted by fstahl on 08 Dec 2008 at 18:43 GMT

the expected number of non-parental ditype tetrads (NPD) was calculated using the equation of Papazian
http://plosgenetics.org/article/info:doi/10.1371/journal.pgen.1000188#article1.body1.sec4.sec1.sec1.p2

The NPD ratios, presented in Table 2, were not so calculated. They were calculated using the more general and efficient method described in Stahl (2008) and automated at Stahl Lab Online Tools (http://molbio.uoregon.edu/~fstahl/).