Evoluzione Umana e Razzismo

Convegno

Razza e Razzismo
Rassegna Letteraria di Frontiere

Serata con il genetista di fama mondiale prof. Luigi Luca Cavalli Sforza dal titolo “Evoluzione Umana e Razzismo”.

Luigi Luca Cavalli Sforza ha insegnato genetica a Parma e Pavia, dal 1951 al 1971, poi alla Facoltà di Medicina dell’Università di Stanford, USA. Dopo un inizio di ricerca in genetica batterica, è passato allo studio dell’evoluzione umana, sia genetica che culturale. La sua ricerca si è rivolta soprattutto allo studio degli ultimi 60.000 anni di evoluzione della nostra specie, sia della prima fase, durata fino a 10.000 anni fa, in cui una piccola popolazione umana si è espansa a tutto il mondo, sotto un’economia di caccia e raccolta; sia degli ultimi 10.000 anni, in cui è iniziata e si è diffusa, praticamente in tutto il mondo e partendo da diverse aree di origine, un’economia di produzione di cibo agro-pastorale. In questa seconda fase, si è avuta, accanto alla migrazione di agricoltori, una diffusione culturale della tecnologia. Il suo interesse si è rivolto soprattutto a chiarire come siano avvenute le grandi migrazioni e si è occupato dell’importanza relativa dei fattori evolutivi principali in queste espansioni. Attualmente, è impegnato nel problema della differenziazione genetica e culturale che si è sviluppata in queste grandi migrazioni, arrivando alla conclusione che quest’ultima è molto modesta e che la selezione naturale ha partecipato soprattutto nella fase agro-pastorale. Interverrà sul tema: “Evoluzione Umana e Razzismo”.

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