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Ancient DNA. Cross-linked DNA extracted from the 4,000-year-old liver of the ancient Egyptian priest Nekht-Ankh. Ancient DNA (aDNA) is DNA isolated from ancient sources (typically specimens, but also environmental DNA). [1][2] Due to degradation processes (including cross-linking, deamination and fragmentation) [3] ancient DNA is more degraded ...
ISBN. 978-0-19-882125-0. Who We Are and How We Got Here is a 2018 book on the contribution of genome -wide ancient DNA research to human population genetics by the geneticist David Reich. He describes discoveries made by his group and others, based on analysis and comparison of ancient and modern DNA from human populations around the world.
Archaeogenetics. Archaeogenetics is the study of ancient DNA using various molecular genetic methods and DNA resources. This form of genetic analysis can be applied to human, animal, and plant specimens. Ancient DNA can be extracted from various fossilized specimens including bones, eggshells, and artificially preserved tissues in human and ...
Scientists have compiled the largest database of ancient DNA based on the bones and teeth of almost 5,000 humans who lived across Western Europe and parts of Central Asia from 34,000 years ago ...
This week, an analysis of ancient DNA sheds light on a bygone empire, ... NASA engineers received coherent data from Voyager 1. It’s currently about 15 billion miles (24 billion kilometers) away ...
Paleogenomics. Paleogenomics is a field of science based on the reconstruction and analysis of genomic information in extinct species. Improved methods for the extraction of ancient DNA (aDNA) from museum artifacts, ice cores, archeological or paleontological sites, and next-generation sequencing technologies have spurred this field.
The findings, published in a series of articles in Current Archaeology, come from one of the largest ancient DNA projects in Europe involving 460 people who were buried in graves between 200AD and ...
Ancient DNA Data from a ~4,500 BP Ethiopian highland individual, [83] and from Southern (~2,300–1,300 BP), and Eastern and South-Central Africa (~8,100–400 BP) has clarified that some West Africa populations have small amounts of excess alleles best explained by an archaic source in West Africans that is not included in the pre-agricultural ...