...demonstrated that they contain faithful representations of human telomeres. RARE site-specific cleavage has confirmed that half-YACs contain human telomeric and subtelomeric DNA for chromosomes 1q, 2p, 2q, 6q, 8q, 12q, 13q, 14q, 18p, 18q, and 21q (NIH/IMM Collaboration 1996). Cloned contigs of the 16p, 4p...