Thaum twg lawv pib siv cov pov thawj DNA?
Thaum twg lawv pib siv cov pov thawj DNA?

Video: Thaum twg lawv pib siv cov pov thawj DNA?

Video: Thaum twg lawv pib siv cov pov thawj DNA?
Video: Cov Laus Thaum Ub - Maiv Yaj (original) nkauj tawm tshiab 2023 official MV 2024, Kaum ib hlis
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Xyoo 1986 yog thaum DNA yog thawj zaug siv hauv kev tshawb nrhiav txhaum cai los ntawm Dr. Jeffreys. 1986. Kev tshawb nrhiav tau siv cov ntiv tes ntiv tes rau hauv ib rooj plaub ntawm ob qhov kev ua phem thiab tua neeg uas tau tshwm sim hauv xyoo 1983 thiab 1986.

Ua li no, thaum twg lawv pib siv DNA los daws kev ua txhaum cai?

Cov txheej txheem, tsim los ntawm Jeffreys ua ke nrog Peter Gill thiab Dave Werrett ntawm Forensic Science Service (FSS), yog thawj zaug siv forensically hauv daws ntawm kev tua ntawm ob tug hluas uas tau raug raped thiab tua nyob rau hauv Narborough, Leicestershire nyob rau hauv 1983 thiab 1986.

Ib sab saum toj no, cov pov thawj DNA ntseeg tau li cas? Cov cim siv ntau dua, qhov tseeb ntau dua, tab sis kuj yog tus nqi ntawm kev sim. Qhov tshwm sim ntawm cov DNA profiles ntawm ob tus neeg tsis sib xws yog qhov nruab nrab tsawg dua 1 ntawm 1 billion. Ib qho piv txwv tuaj yeem yog los ntawm ib feem ntawm lub cev, txij li lub DNA yog ib yam.

Ua li no, thawj rooj plaub ntawm DNA pov thawj yog dab tsi?

Xyoo 1987, Florida tus neeg ua phem ua phem Tommie Lee Andrews tau los ua tus ua ntej tus neeg hauv Teb Chaws Asmeskas yuav raug txiav txim los ntawm DNA pov thawj ; nws raug txim rau 22 xyoo tom qab tuav.

Puas muaj DNA kuaj hauv xyoo 1989?

Cov ntaub ntawv pov thawj muaj zog rau cov lus pom zoo no yog nrog cov ntaub ntawv tshwj xeeb uas tau sau los ntawm Tsoom Fwv Teb Chaws Saib Xyuas Kev Tshawb Fawb (FBI) txij li thaum nws tau pib ua pov thawj. Kev kuaj DNA hauv xyoo 1989.

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