public Markers randomIntervals(int numIntervals, int maxStart, int maxLength, int numChromo) {
		Markers ints = new Markers();

		for (int ch = 1; ch <= numChromo; ch++) {
			for (int i = 0; i < numIntervals; i++) {
				int start = rand.nextInt(maxStart);
				int end = Math.min(start + rand.nextInt(maxLength), maxStart - 1);
				Marker interval = new Marker(genome.getChromosome("" + ch), start, end, 1, "");
				ints.add(interval);
			}
		}

		return ints;
	}