… limited gene flow with archaic species outside Africa 1 , this … The first episodes of Middle
Stone Age (MSA) genetic exchange … extent of genetic drift that has occurred in each population. …

… migrations led the ancient ancestors of modern humans to … and Denisovans, after they
expanded out of Africa (Green et al. … to different territories and episodes of admixture with each …

… as genetic drift, while selection of advantageous variants tends to be preferentially transmitted.
Mutations, genetic drift, migration, … behind the evolution of humans. The influence of these …

… The impact of migration on population structure in relation to genetic drift has not been well
… The episode of genetic drift defining the migration of humans out of Africa is derived from a …

… reported before in prehistoric remains outside Africa. Our analyses of … the amount of shared
genetic drift between pairs of Eurasian … The exact date of this episode is difficult to define with …

… has been documented in modern humans outside Africa, the … S3) because of insufficient
genetic drift in the African population … We define c k as the number of SNPs at which the derived …

… It is important to consider the implications of this definition … minimal gene flow, subpopulations
are subject to genetic drift … assemblage at hand is from a single episode, but rather a time-…

… cultural change and human migration, as … genetically West Eurasians with a deep shared
genetic drift - 49 units -, in blue in fig. 1A) defines the first major subdivision of Eurasian genetic …

… Genetic drift causes the fixation and elimination of new … of migration and mixing that have
shaped human genetic … position of the gene within the genome by identifying a chromosomal …

… , there was likely only one major episode of admixture. By … the extremes of human genetic
variation by identifying variants … -Africans owing to increased genetic drift. Counting how many …