People that are produced on the short-arm not the fresh new long-arm of your Y chromosome was male, when you find yourself anybody born to your long arm of Y-chromosome although not new short arm is actually feminine. Because of the taking a look at the fresh DNA out-of unusual XX guys and you may XY feminine, the career of your testis-choosing gene might have been narrowed down in order to a 35,000-base-pair section of the Y chromosome found near the idea of this new short-arm. (mer …)