private Genome RouletteSelection()
        {
            List<Genome> _sexRightsWheel = new List<Genome>();
            Int32 slots = _thisGeneration.Count - _sexRightsWheel.Count;
            Int32 usedSlots = 0;

            foreach (Genome genome in _thisGeneration)
            {
                Int32 allocationAmount = Math.Min(slots - usedSlots, (Int32)Math.Ceiling(genome.Fitness/_totalFitness));
                usedSlots += allocationAmount;
                if (slots - usedSlots <= 0) break;
                else
                {
                    while (allocationAmount != 0)
                    {
                        _sexRightsWheel.Add(genome);
                        allocationAmount--;
                    }
                }
            }

            return (Genome)_sexRightsWheel[_random.Next(0, 99)];
        }