منابع مشابه
Ancestors of the "Archives".
In Europe and America specialist physicians, national societies, and journals devoted exclusively to the medical care of children were well established by the end of the last century. In Britain a few physicians would give an opinion on a sick child while retaining their interest in the medicine of the adult. In 1896 an attempt was made to start an AngloAmerican journal of children's diseases t...
متن کاملAquarboreal ancestors?
According to biomolecular data, the great apes split into Asian pongids (orang-utan) and African hominids (gorillas, chimpanzees and humans) 18–12 million years ago (Mya) and hominids split into gorillas and humans–chimpanzees 10–6 Mya. Fossils with pongid features appear in Eurasia after c. 15 Mya, and fossils with hominid fossils appear in Africa after c.10 Mya. Instead of the traditional sav...
متن کاملGenetic and Genealogical Ancestors
15.4.2011 The genealogical ancestors to an individual are the the individuals that can be reached by a string of operators mother/father to that individual, like motherfatherfather. Within that set are the individuals, that has genetic material that was transmitted to the present individual. Genetic ancestry is in general given more attention as that is a component in genetic analysis and mapp...
متن کاملLeaving negative ancestors behind
Bacteria with a single cell membrane have evolved from ancestors with two membranes on multiple occasions within the Firmicutes phylum.
متن کاملThe Distribution Route from Ancestors to Descendants
We study the distribution of descendants of a known personality, or of anybody else, as it propagates along generations from father and mother through their children. We ask for the ratio of the descendants to the total population and construct a model for the route of Distribution from Ancestors to Descendants (DAD). The population ratio rn is found to be given by the recursive equation rn+1 =...
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ژورنال
عنوان ژورنال: Nature Reviews Microbiology
سال: 2007
ISSN: 1740-1526,1740-1534
DOI: 10.1038/nrmicro1667