Similarly, the DNA primer may have a 3??? terminus that contains portions of the TTAGGG telomere sequence, for example XnTTAG (SEQ ID NO:531), XnAGGG (SEQ ID NO:532), Xn(TTAGGG)qTTAG (SEQ ID NOS:533-536), etc., where X is a non-telomeric sequence and n is 8-20, or 6-30, and