Omul de Neanderthal avea, la fel ca şi omul modern, o genă care face ca anumitor persoane să nu le placă feniltiocarbamida, un compus chimic cu gust amar prezent de exemplu în varza de Bruxelles.
Cercetătorii spanioli au ajuns la această concluzie după ce au procedat la segmentarea unui fragment de gene din oasele unor oameni de Neanderthal vechi de 48.000 de ani, descoperite la El Sidron, în nordul Spaniei.
Potrivit, Consiliul superior pentru cercetări ştiinţifice „aceasta înseamnă că percepţia gustativă a amarului este anterioară divergenţei liniei” care a separat omul de Neanderthal de cel care urma să devină omul modern.
Feniltiocarbamida, sau PTC, este un compus chimic prezent în unele legume ca varza de Bruxelles, brocoli sau unele fructe, precum şi în unele plante toxice.
Omul de Neanderthal şi omul modern provin dintr-un strămoş comun, însă s-au separat în urmă cu circa 300.000 de ani. Omul de Neanderthal a dispărut în urmă cu circa 28.000 de ani, ultimul său refugiu cunoscut fiind Gibraltarul.
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