Kosambi's mapping function
Allows for some interference.
c = (1/2) ( e
4m
-1) / ( e
4m
+1)
m = (1/4) ln [ (1+2c)/(1-2c) ]
Example
If the recombination fraction between two loci is 0.185, then the Kosambi map distance is
m= -(1/4) ln[ (1+2* 0.185) / (1-2* 0.185) ] = 0.194
Comparison with Haldane's
