public boolean intersectsBelow(RPChromosomeRegion testRegion) {

        // Only need to test if some part of this region is below and some within test region.
        if (startChromID < testRegion.startChromID ||
                (startChromID == testRegion.startChromID && startBase < testRegion.startBase)) {
            if (endChromID > testRegion.startChromID ||
                    (endChromID == testRegion.startChromID && endBase > testRegion.startBase))
                return true;
            else
                return false;
        } else
            return false;
    }