private IChromosome[] mutateSpecies(World world, int x, int y, int z, IGenome genomeOne, IGenome genomeTwo) {
IChromosome[] parent1 = genomeOne.getChromosomes();
IChromosome[] parent2 = genomeTwo.getChromosomes();
IGenome genome0;
IGenome genome1;
IAllele allele0;
IAllele allele1;
if (world.rand.nextBoolean()) {
allele0 = parent1[EnumTreeChromosome.SPECIES.ordinal()].getPrimaryAllele();