- Repeated segments
of the same sequence of multiple triplet codons, each segment varying between
14 and 100 base pairs, useful as linkage markers due to their highly polymorphic
nature and the fact that they are usually situated near genes. Minisatellites
are inherently unstable and susceptible to mutation at a higher rate than
other sequences of DNA.
Definition from: GeneReviews
from the University of Washington and the National Center for Biotechnology Information
See also Understanding Medical Terminology.