Recent Common Ancestors of All Present-day Individuals: Reply to Discussants
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Recent Common Ancestors of All Present-day Individuals
Previous study of the time to a common ancestor of all present-day individuals has focused on models in which each individual has just one parent in the previous generation. For example, “mitochondrial Eve” is the most recent common ancestor (MRCA) when ancestry is defined only through maternal lines. In the standard Wright-Fisher model with population size n, the expected number of generations...
متن کاملTo what extent does genealogical ancestry imply genetic ancestry?
Recent statistical and computational analyses have shown that a genealogical most recent common ancestor (MRCA) may have lived in the recent past [Chang, J.T., 1999. Recent common ancestors of all present-day individuals. Adv. Appl. Probab. 31, 1002-1026. 1027-1038; Rohde, D.L.T., Olson, S., Chang, J.T., 2004. Modelling the recent common ancestry of all living humans. Nature 431, 562-566]. Howe...
متن کاملSomewhat Less-Recent Common Ancestors of All Present-Day Individuals
The notion of our common ancestors has received considerable attention of late in both the scientific and lay communities. Principally this attention has focused on ‘Mitochondrial Eve,’ defined to be the woman who lies at the confluence of our maternal ancestry lines, and who is believed to have lived 100,000–200,000 years ago. More recent attention has been given to our common paternal ancesto...
متن کاملThe Geography of Recent Genetic Ancestry across Europe
The recent genealogical history of human populations is a complex mosaic formed by individual migration, large-scale population movements, and other demographic events. Population genomics datasets can provide a window into this recent history, as rare traces of recent shared genetic ancestry are detectable due to long segments of shared genomic material. We make use of genomic data for 2,257 E...
متن کاملReply to the discussion
We thank all the contributors for their wide-ranging and provocative discussion. Our reply is organised according to a number of recurring themes, but space constraints mean it is impossible to address all the points raised. Echoing S. Brooks’ opening remarks, our hope is that discussants and readers will be sufficiently inspired to pursue the ideas proposed in this paper and address some of th...
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تاریخ انتشار 2000