Megabase cloning 1 topic · 2 sources Science› Biotechnology and GeneticsFood BiotechnologyThe cloning of very large DNA fragments. (See Cloning.)Susan Allender-Hagedorn and Charles Hagedorn — An Agricultural and Environmental Biotechnology Annotated Dictionary CiteThe cloning of large DNA fragments of the order of 1Mb.UN Food and Agriculture Organization — Glossary of Biotechnology for Food and Agriculture Cite