Thaum twg DNA pib siv los ntawm tub ceev xwm?
Thaum twg DNA pib siv los ntawm tub ceev xwm?

Video: Thaum twg DNA pib siv los ntawm tub ceev xwm?

Video: Thaum twg DNA pib siv los ntawm tub ceev xwm?
Video: Tub Ceev Xwm Nrhiav Kev Hlub (Hmong Dubbed) 2024, Kaum ib hlis
Anonim

Xyoo 1986 yog thaum DNA ua ntej siv nyob rau hauv kev tshawb nrhiav txhaum cai los ntawm Dr. Jeffreys. 1986. Kev tshawb nrhiav siv genetic fingerprinting nyob rau hauv ib rooj plaub ntawm ob rapes thiab murders uas tau tshwm sim nyob rau hauv 1983 thiab 1986.

Ntawm no, thaum twg kuaj DNA pib hauv Asmeskas?

Nyob rau hauv 1987, Florida rapist Tommie Lee Andrews tau los ua thawj tus neeg nyob hauv U. S . yuav raug txim raws li qhov tshwm sim ntawm DNA pov thawj ; nws yog raug txim rau 22 xyoo tom qab tuav.

Tsis tas li ntawd, thawj rooj plaub twg daws DNA? Nws yog tus ua ntej tus neeg raug txim ntawm kev tua neeg nyob ntawm DNA fingerprinting pov thawj, thiab cov ua ntej yuav raug ntes raws li qhov tshwm sim ntawm pawg DNA kev tshuaj ntsuam. Pitchfork raped thiab tua ob tug ntxhais nyob rau hauv cov zos Leicestershire nyob ze, lub ua ntej hauv Narborough, lub Kaum Ib Hlis 1983, thiab thib ob hauv Enderby, thaum Lub Xya Hli 1986.

Ib yam li ntawd, koj tuaj yeem nug, 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.

Kev kuaj DNA yog qhov tseeb npaum li cas hauv cov teeb meem txhaum cai?

Cov cim siv ntau dua, qhov ntau dua raug , tab sis kuj tus nqi ntawm kuaj . 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 tib yam.

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