Abstract
The common frequency of the nontasting gene for phenylthiocarbamate (about 28%) has been found both in Indian adults and in Indian children aged between 6 and 11 years. However, a much lower frequency (less than 11%) was obtained when both Turkish adults and Turkish children aged between 6 and 11 years were tested. On the other hand. English children under the age of 7 years possessed a higher frequency (up to 60%). English children aged 9 years or older had a frquency comparable with that of English adults (about 28%). It was found that between the ages of 7 and 9 many English nontaster children became tasters, which accounts for the observed change in frequency. The reasons for these variations are being investigated.
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Akcasu, A., Kameswaran, L., Sanyal, R.K. et al. Taste thresholds of phenylthiocarbamate. Behav Genet 4, 305–315 (1974). https://doi.org/10.1007/BF01066152
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DOI: https://doi.org/10.1007/BF01066152