Mapping Functions
Kosambi - allows for some interference:
M = 1/4 loge((1 + 2r)/(1-2r))
At less than 15 cM the functions aren’t to different but as it approaches 50 cM quite different.
1000 Kb = approximately 1 cM
for additional details see
QTL Course Notes: Identifying and Incorporating Genetic Markers and Major Genes In Animal Breeding Programs by Brian Kinghorn & Julius van der Werf (University of New England, Armidale, Australia) http://www.genome.iastate.edu/edu/QTL/