00506cam a2200169 4500 64419996 TxAuBib 20030908120000.0 030908s2003||||||||||||||||||||||||eng|u 9780794504441 0794504442 TxAuBib Claybourne, Anna. The Usborne Internet-linked Introduction to Genes and DNA. Tulsa, Ok : EDC Publishing, 2003. 20030908.