Thornton KR 2007 The neutral coalescent process for recent gene duplications and copy-number variants. Genetics 177:987-1000. E[π|τ = 0] = 2θ Σi = 12N − 2 ai (1 / (i + 1) − 1 / (2N)) ai = 2(2N + 1) / ((i + 1)(i + 2)(2N − 1)) it is straight…