private void initSampleAlleles(DuoBaumLevel level, int sampleA, int sampleB) {
int m = level.marker();
for (int copy = 0; copy < nCopies; ++copy) {
int state = initialRandomState(level);
nodeAB1[copy] = level.parentNodeAB1(state);
nodeA2[copy] = level.parentNodeA2(state);
nodeB2[copy] = level.parentNodeB2(state);
nodeValue[copy] = parentSum(level, sampleA, sampleB, state);
allelesAB1[copy][m] = level.symbolAB1(state);
allelesA2[copy][m] = level.symbolA2(state);
allelesB2[copy][m] = level.symbolB2(state);
}
}
