, Volume 16, Issue 6, pp 540-550
Date: 26 Jul 2011

Kosambi and the genetic mapping function

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One of the activities that geneticists pursue is the generation of genetic maps of organisms that chart the locations of the different genes on the chromosomes. Damodar Dharmanada Kosambi was not a geneticist by training and profession, but amathematician. Yet, in 1944, Kosambi wrote a classic paper about mapping function in genetics in the journal Annals of Eugenics. His lone paper in genetics was tilted ‘The estimation of map distance from recombination values’. The mapping function that Kosambi derived is still widely used by geneticists the world over for the mapping of genomes.

K K Vinod is a Senior Scientist at the Rice Breeding and Genetics Research Centre, Indian Agricultural Research Institute, Aduthurai, Tamil Nadu. His research interests are on genetics and breeding of rice especially on tolerance to abiotic stresses like salinity and low nutrients. He works on QTL mapping and marker assisted selection for low nitrogen and phosphorus response, drought tolerance and grain quality in rice.