genetic lineage

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• GENETIC ANCESTRY, JEWISH — Background The human genome refers to approximately three billion chemical letters (nucleotides) comprising the sequence of deoxyribonucleic acid (DNA) in almost every cell of each human being. There are four different nucleotides (adenine,… …   Encyclopedia of Judaism

• Genetic genealogy — Part of a series on Genetic genealogy Concepts Population genetics Haplogroup/ Haplotype Most recent common ancestor Human mitochondrial DNA haplogroups Human Y chromosome DNA haplogroups Genomics Other Y chromosome haplogroups by po …   Wikipedia

• Genetic drift — ] Especially in small populations, the statistical effect of sampling error ( during reproduction ) on certain alleles from the overall population may result in an allele ( and the biological traits that it confers ) becoming more common or rare… …   Wikipedia

• Genetic history of indigenous peoples of the Americas — For a non technical introduction to genetics in general, see Introduction to genetics …   Wikipedia

• Genetic history of Europe — European populations have a complicated demographic and genetic history, including many layers of successive migrations between different time periods, from the first appearance of Homo sapiens in the Upper Paleolithic to contemporary immigration …   Wikipedia

• Human genetic variation — is the natural variation in gene frequencies observed between the genomes of individuals or groups of humans. Variation can be measured at both the individual level (differences between individual people) and at the population level, i.e.… …   Wikipedia

• H5N1 genetic structure — is the molecular structure of the H5N1 virus s RNA.H5N1 is an Influenza A virus subtype. Experts believe it might mutate into a form that transmits easily from person to person. If such a mutation occurs, it might remain an H5N1 subtype or could… …   Wikipedia

• Supercluster (genetic) — Most usage of supercluster in population genetics research articles applies to proposed large groups of human mtDNA haplotype lineages, found by cluster analysis, that are thought to stem from a single distant most recent common ancestor, on a… …   Wikipedia

• Scythians — Infobox Ethnic group group=Scythians poptime=Unknown popplace=Eastern Europe Central Asia West Asia Northern India langs=Scythian language rels=Animism related= *Sarmatians *Dahae *Sakas *Indo Scythians *Massagetes *Jatts *NairsThe Scythians or… …   Wikipedia

• Jefferson-Hemings controversy — Thomas Jefferson The Jefferson Hemings controversy concerns the question of whether there was an intimate relationship between Thomas Jefferson and his mixed race slave, Sally Hemings. The controversy started as early as the 1790s. While some… …   Wikipedia

• Peregrine Falcon — Adult Peregrine Falcon (Falco peregrinus) of subspecies pealei or tundrius in Alaska Conservation status …   Wikipedia