DNA (deoxyribonucleic acid) is the nucleic acid polymer that forms the genetic code for a cell or virus. Most DNA molecules consist of two polymers (double-stranded) of four nucleotides that each ...

Now, a new analysis of Thorin’s ancient DNA suggests he belonged to a previously unknown lineage of Neanderthals that was isolated for 50,000 years, despite the fact that other members of their ...

Thorin’s DNA was then compared with DNA previously extracted from other Neandertals, ancient H. sapiens and present-day people. Arrays of gene variants in Thorin’s DNA more closely align with ...

However, previous studies looking at small amounts of DNA from ancient Polynesians had rejected the hypothesis that transpacific voyages took place. Thus, these findings have put into question ...

DNA extracted from 15 corpses stored in a Paris museum has yielded a monumental surprise: the Rapa Nui, inhabitants of Easter Island, the most isolated place on Earth, reached the Americas by sailing ...

But those merely suspected of a crime are presumed innocent until proven otherwise. Entering their DNA into a federal database for comparison with crime scene samples challenges this presumption ...

DNA Ladder (100 bp Promega ... Utilizou-se a reação em cadeia da polimerase (PCR) para identificar leptospiras patogênicas isoladas, na Argentina, de animais e do homem. Foram usados dois pares de ...