Taste Sensitivity to PTC and Incidence of Colour Blindness among the Chamars of District Lakhimpur Khiri, Uttar Pradesh Chauhan H.B.S.1, Kumar Sunil1, Sachdeva M.P.2, Singh Udai Pratap3 1Department of Anthropology, HNB Garhwal University, Srinagar-246174 2Department of Anthropology, University of Delhi, Delhi-110007 3Department of Anthropology, University of Lucknow, Lucknow-226007. Email: drudaipratapsingh64@gmail.com Online published on 11 December, 2013. Abstract Phenylthiourea or phenylthiocarbamide (PTC) taste sensitivity in 525 Chamars from the district of Lakhimpur Khiri, U.P., reveals bimodal distribution of tasters and non-tasters; the incidence of tasters being 63.42% for the Chamars. The percentage of incidence of colour blindness among the Chamars is 0.6%. Top Keywords PTC, Colour blindness, Variation, Chamars. Top |