[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.tbwa.cz\/analyza-dna-v-kriminalisticke-laboratori-tv-x-realita\/#Article","mainEntityOfPage":"https:\/\/www.tbwa.cz\/analyza-dna-v-kriminalisticke-laboratori-tv-x-realita\/","headline":"Anal\u00fdza DNA v kriminalistick\u00e9 laborato\u0159i: TV x realita","name":"Anal\u00fdza DNA v kriminalistick\u00e9 laborato\u0159i: TV x realita","description":"Kriminalist\u00e9 se shrom\u00e1\u017ed\u00ed v leskl\u00e9 laborato\u0159i. Rad\u00ed se. N\u011bkolik testovac\u00edch zkumavek se ot\u00e1\u010d\u00ed. Stisknou tla\u010d\u00edtko na po\u010d\u00edta\u010di a bingo – vy\u0159e\u0161\u00ed se dal\u0161\u00ed p\u0159\u00edpad. \u00a0 Ano, je to n\u00e1dhern\u00fd sv\u011bt DNA, proto\u017ee je pou\u017e\u00edv\u00e1n k \u0159e\u0161en\u00ed zlo\u010din\u016f modern\u00edmi policejn\u00edmi silami – alespo\u0148 to je to, co vid\u00edte v televizi. \u00a0 Realita u\u017e je ale odli\u0161n\u00e1....

P\u0159e\u010d\u00edst “Anal\u00fdza DNA v kriminalistick\u00e9 laborato\u0159i: TV x realita”<\/span> »<\/a><\/p>","datePublished":"2023-05-06","dateModified":"2023-05-06","author":{"@type":"Person","@id":"https:\/\/www.tbwa.cz\/author\/#Person","name":"","url":"https:\/\/www.tbwa.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d81a95b988e562d8ac0fc1eb5578e43f924bf78e85c5259f0dcab44a306610fa?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d81a95b988e562d8ac0fc1eb5578e43f924bf78e85c5259f0dcab44a306610fa?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"tbwa.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.tbwa.cz\/wp-content\/uploads\/img_a298533_w1946_t1508851670.jpg","url":"https:\/\/www.tbwa.cz\/wp-content\/uploads\/img_a298533_w1946_t1508851670.jpg","height":0,"width":0},"url":"https:\/\/www.tbwa.cz\/analyza-dna-v-kriminalisticke-laboratori-tv-x-realita\/","wordCount":478,"articleBody":"Kriminalist\u00e9 se shrom\u00e1\u017ed\u00ed v leskl\u00e9 laborato\u0159i. Rad\u00ed se. N\u011bkolik testovac\u00edch zkumavek se ot\u00e1\u010d\u00ed. Stisknou tla\u010d\u00edtko na po\u010d\u00edta\u010di a bingo – vy\u0159e\u0161\u00ed se dal\u0161\u00ed p\u0159\u00edpad.\u00a0Ano, je to n\u00e1dhern\u00fd sv\u011bt DNA, proto\u017ee je pou\u017e\u00edv\u00e1n k \u0159e\u0161en\u00ed zlo\u010din\u016f modern\u00edmi policejn\u00edmi silami – alespo\u0148 to je to, co vid\u00edte v televizi.\u00a0Realita u\u017e je ale odli\u0161n\u00e1. Nejv\u011bt\u0161\u00ed omyl televizn\u00edch div\u00e1k\u016f je zp\u016fsoben t\u00edm, \u017ee jsou zvykl\u00ed, \u017ee u ka\u017ed\u00e9ho p\u0159\u00edpadu jsou d\u016fkazy a nalezen\u00e1 lidsk\u00e1 DNA nejl\u00e9pe s kusem p\u0159esn\u00e9ho otisku prstu.\u00a0Dal\u0161\u00ed velkou mylnou p\u0159edstavou je, \u017ee proces proces anal\u00fdzy obvykle trv\u00e1 n\u011bkolik t\u00fddn\u016f, ne\u017e se dostane v\u00fdsledek. Jednak je to zp\u016fsobeno vyt\u00ed\u017eenost\u00ed laborato\u0159e a druh\u00fdm d\u016fvodem je \u010dasov\u011b n\u00e1ro\u010dn\u00fdm proces n\u011bkter\u00fdch anal\u00fdz.\u00a0\u00a0P\u0159ed anal\u00fdzou DNA je nutn\u00e9 se probrat hromadou d\u016fkazn\u00edho materi\u00e1lu. P\u0159i tom je t\u0159eba zam\u011b\u0159it se i na jin\u00e9 v\u011bci, ne\u017e jen na DNA, jsou to r\u016fzn\u00e9 skvrny, vl\u00e1kna a jin\u00e9. \u010casto je to st\u00ed\u017een\u00e9 t\u00edm, \u017ee kriminalist\u00e9 p\u0159i opravdu nejasn\u00e9m p\u0159\u00edpadu ani nev\u011bd\u00ed, co po\u0159\u00e1dn\u011b maj\u00ed hledat.\u00a0Jakmile je DNA nalezena, extrahuje se z materi\u00e1lu, do kter\u00e9ho se m\u00eds\u00ed, a pot\u00e9 se zm\u011b\u0159\u00ed mno\u017estv\u00ed extrahovan\u00e9 DNA. Laborato\u0159 pot\u0159ebuje z\u00edskat aspo\u0148 1 nebo 2 ng.\u00a0DNA se potom um\u00edst\u00ed do stroje pro zna\u010den\u00ed DNA a v\u00fdsledky se p\u0159ev\u00e1d\u011bj\u00ed do genetick\u00e9ho analyz\u00e1toru.\u00a0Jen proto, \u017ee je anal\u00fdza umo\u017en\u011bn\u00e1, je\u0161t\u011b nen\u00ed jistota, \u017ee se z\u00edskaj\u00ed n\u011bjak\u00e9 v\u00fdsledky. Mohlo doj\u00edt k po\u0161kozen\u00ed DNA sluncem, teplem nebo vlhkost\u00ed. Ka\u017ed\u00fd \u010dlov\u011bk nav\u00edc zanech\u00e1v\u00e1 svou DNA v r\u016fzn\u00e9 m\u00ed\u0159e. N\u011bkdo m\u00e1 mastn\u011bj\u0161\u00ed k\u016f\u017ei, n\u011bkdo pou\u017e\u00edv\u00e1 rt\u011bnku a toto v\u0161echno potom br\u00e1n\u00ed \u00fasp\u011bchu o v\u00fdsledek.\u00a0Genetick\u00fd analyz\u00e1tor toti\u017e pracuje s DNA tak, \u017ee materi\u00e1l prozkoum\u00e1 na t\u0159in\u00e1cti r\u016fzn\u00fdch m\u00edstech a potom jednozna\u010dn\u011b ur\u010d\u00ed v\u00fdsledek. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b, tedy chyb\u011bj\u00edc\u00edho po\u010dtu do 13 v\u00fdsledek nen\u00ed mo\u017en\u00fd, resp. nen\u00ed ho mo\u017en\u00e9 pou\u017e\u00edt jako jednozna\u010dn\u00fd. V n\u011bkter\u00fdch p\u0159\u00edpadech mohou vy\u0161et\u0159ovatel\u00e9 pouze zjistit, zda DNA poch\u00e1z\u00ed od mu\u017ee nebo \u017eeny, ale tato skute\u010dnost m\u016f\u017ee b\u00fdt st\u00e1le cenn\u00e1.\u00a0Vzorky DNA, o nich\u017e je zn\u00e1mo, \u017ee poch\u00e1zej\u00ed od pachatele, jsou uvedeny v datab\u00e1zi odhalen\u00fdch vzork\u016f, kter\u00e9 maj\u00ed nyn\u00ed 5 milion\u016f soubor\u016f. DNA od nevinn\u00fdch okoln\u00edch osob nen\u00ed do datab\u00e1ze p\u0159id\u00e1na. "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Anal\u00fdza DNA v kriminalistick\u00e9 laborato\u0159i: TV x realita","item":"https:\/\/www.tbwa.cz\/analyza-dna-v-kriminalisticke-laboratori-tv-x-realita\/#breadcrumbitem"}]}]