Definition of Megabase
Megabase: Unit of length for DNA fragments that is equal to 1 million nucleotides. A megabase (Mb) is roughly equal to 1 centiMorgan (cM).Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
eMedicineHealth Top News
Find out what women really need.