DNA de toque
Autor: Blog Bio | Publicado: 2011-06-24T14:41:00-07:00

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O DNA é sempre notícia, mas uma das mais recentes reportagens incluía um novo termo: DNA de toque. Embora seja novidade para a mídia, o DNA de toque está em uso há diversos anos. O DNA geralmente é obtido de fluidos corpóreos como sangue e sêmen, muitas vezes localizados com base em manchas deixadas por alguém. O DNA de toque envolve recuperar o DNA de células de pele deixadas pelo agressor.  No caso de JonBenet Ramsey, os investigadores rasparam as roupas que o menino estava usando e encontraram indícios suficientes em dois lugares para criar um perfil de DNA, que batia com um perfil de DNA de sangue - ambos pertencentes a um homem que não era parente de JonBenet. Isso convenceu os promotores de que a família Ramsey não pode ter sido responsável pela morte do menino.