Dear All, Anyone wishing further info on the halfTerm mix from Genpak, please e-mail me directly at j.gaughan at ed-rbu.mrc.ac.uk I'll be happy to supply any details. Cheers Joe Gaughan Joe Gaughan MRC Reproductive Biology Unit 37 Chalmers Street Edinburgh EH3 9EW 0131 229 2575 ext 2214 j.gaughan at ed-rbu.mrc.ac.uk mbjzg at seqnet.dl.ac.uk jgaughan at hgmp.mrc.ac.uk