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Cu dan vung Nam Thai Binh Duong co nguon goc tu Viet Nam?

Cac nha khoa hoc thuoc Dai hoc Durham va Oxford (Anh) da nghien cuu ADN cua heo rung va heo nha o vung Nam Thai Binh Duong va neu gia thuyet moi ve nguon goc cu dan cac dao Nam Thai Binh Duong.

New_Guinea.jpg
Nguoi dan dao New Guinea (Anh: Vtourist)

Gia thuyet truoc day cho rang cac nen van hoa Polynesi va chau Dai duong co nguon goc tu Dai Loan (Trung Quoc), va tu do da phat trien nhanh chong ra khap cac dao o Thai Binh Duong.

Tuy nhien, trong bai bao tren tap chi Bien ban Vien han lam Khoa hoc My (Proceedings of the National Academy of Sciences) so moi nhat, nhom nha khoa hoc tren, dung dau la tien si Keith Dobney thuoc khoa khao co Dai hoc Durham, cho biet da tien hanh nghien cuu loai gen it bi bien doi mitochondria tren 781 con heo ngay nay va gen heo song tu thoi xa xua lay duoc tu cac vien bao tang.

Ho noi rang do co moi lien quan gen ro rang giua heo hien nay o VN va heo o cac dao Sumatra, Java, New Guinea, New Oceania, nhieu dao Nam Thai Binh Duong nen ho cho rang phan lon cac cu dan song tren cac dao nay co nguon goc tu VN chu khong tu Dai Loan.

Tien si Greger Larson, tac gia chinh cua nghien cuu, nhan xet rang heo tuy boi gioi, nhung khong den muc co the boi den tan Hawaii. Nhu the chung phai duoc nguoi di cu chuyen cho den do, va day la minh chung tuyet voi ve hoat dong di cu cua con nguoi.

Theo ong, to tien cua cac cu dan tren cac hon dao xa xoi da roi VN cach day vao khoang 3.600 nam, va ho da di qua nhieu hon dao truoc khi den cac dao Nam Thai Binh Duong. Ong hi vong nghien cuu nay se mo ra cua so moi ve nguon goc cu dan vung Nam Thai Binh Duong.

Article source http://w4rum.com/663.t

[By ] [03/Mar/07]
 
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