Does anybody know of the existence of a computer program that allows you to introduce sizes of bands obtained in different restriction fragments and that will draw you a putative map of the piece of DNA analysed. Thanks a lot for all information! Nancy Terryn Lab of Genetics K.L. Ledegankcstraat 35 9000 Gent/ Belgium Tel 32 9 264 50 04 Fax 32 9 264 53 49