(n.) One from whom a person is descended, whether on the father's or mother's side, at any distance of time; a progenitor; a fore father.
(n.) An earlier type; a progenitor; as, this fossil animal is regarded as the ancestor of the horse.
(n.) One from whom an estate has descended; -- the correlative of heir.
Example Sentences:
(1) The high frequency of increased PCV number in San, S.A. Negroes and American Negroes is in keeping with the view that the Khoisan peoples (here represented by the San), the Southern African Negroes and the African ancestors of American Blacks sprang from a common proto-negriform stock.
(2) The 500-bp element arose by duplication of one half of a 180-bp ancestor and insertion of a foreign segment between the two duplicated parts followed by amplification.
(3) The five offspring are ancestors of all known carriers.
(4) They are related as fourth cousins once-removed and fifth cousins in multiple ways through the six nearest common ancestors of all four parents.
(5) An analysis of 54 protein sequences from humans and rodents (mice or rats), with the chicken as an outgroup, indicates that, from the common ancestor of primates and rodents, 35 of the proteins have evolved faster in the lineage to mouse or rat (rodent lineage) whereas only 12 proteins have evolved faster in the lineage to humans (human lineage).
(6) Writing in the journal Nature , the researchers describe how our ancestors lost another piece of DNA that gives rise to both facial whiskers and sensitive spines on the tip of the penis, both of which are found in chimpanzees and other non-human primates.
(7) With the use of the chimpanzee and human sequences to calibrate the rate of mtDNA evolution, the age of the common human mtDNA ancestor is placed between 166,000 and 249,000 years.
(8) The functional and phyletic significance of this material reveals a complex pattern of behavioral and phyletic diversity among large-bodied catarrhines in Europe and suggests that this diversity evolved in situ from circum-Mediterranean middle Miocene ancestors.
(9) Regressions of descendant net revenue on ancestor net revenue were predominantly negative but generally were not significant.
(10) This finding also suggests that the Hex, Mut, and PMS systems evolved from a common ancestor and that functionally similar mismatch repair systems could be widespread among procaryotic as well as eucaryotic organisms.
(11) -In several cases, second or third generation descendents of 3T3 cells were observed to repeat track patterns of their ancestor cell.
(12) Within the family, EIAV, HTLV-III, and visna appear to be equally divergent from a common evolutionary ancestor.
(13) We deduce that in ubiquitin genes, concerted evolution involves both unequal crossover and gene conversion, and that the average time since two repeated units within the polyubiquitin locus most recently shared a common ancestor is approximately 38 million years (Myr) in mammals, but perhaps only 11 Myr in Drosophila.
(14) During this evolution the interior of the core blocks evolved as a homogeneous repetitive structure, while ancestor repeat units remained as sequence relicts in the terminal parts.
(15) The divergence of a common ancestor protein into PF4 and gamma IP-10 may have accompanied the development of sophisticated immune and coagulation systems in vertebrates.
(16) Analysis of different Mus subspecies indicates that TLev1 integrated into a common ancestor of the species Mus musculus.
(17) In order to assess the possibility that such proteins may have arisen through processes of divergent evolution from a common ancestor, a graphical presentation is given which correlates the pattern of allowed single base substitutions defined by the genetic code with the associated changes in the structural properties of the encoded amino acids.
(18) In an attempt to reconstruct the universal ancestor of all present-day tubulin genes the intron positions in 38 different alpha- and beta-tubulin genes from plants, animals, fungi and protozoa were compared.
(19) This raises the possibility of two lines of descent from a common ancestor.
(20) Phylogenetic analysis indicates that these four main virus groups might have diverged from a common ancestor at about the same time, long before the spread of AIDS in humans.
Forerunner
Definition:
(n.) A messenger sent before to give notice of the approach of others; a harbinger; a sign foreshowing something; a prognostic; as, the forerunner of a fever.
(n.) A predecessor; an ancestor.
(n.) A piece of rag terminating the log line.
Example Sentences:
(1) The role such a unit may have as a forerunner of the formation of similar units in other specialities of medicine is emphasized.
(2) This spontaneous mechanism of O2 reduction with the generation of oxidized drug free radicals and reduced oxygen free radicals is unprecedented among anticancer drugs, suggesting that fredericamycin A could be the forerunner of a new class of anticancer drug.
(3) In the first two trimesters they are the forerunners of the immature intermediate villi, whereas in the last trimester the mesenchymal villi are transformed into mature intermediate villi.
(4) "Bean has done to Goldoni what Goldoni did to his forerunners.
(5) Omeprazole and lansoprazole are the forerunners of a group of substituted benzimidazole compounds that block the gastric proton pump.
(6) He was thought to be the forerunner for The Tonight Show after Johnny Carson retired in 1992.
(7) So in that sense I prefer the days of Cathy.” In the 60s and 70s, Loach belonged to small leftist groups: the Socialist Labour League (forerunner of the Workers Revolutionary Party ), the International Socialists , the International Marxist Group, all critical of both western capitalism and the Stalinism of the Soviet Union.
(8) Though he strongly disapproved of much of what later took shape as "New Labour", which he saw, among other things, as historically cowardly, he was without question the single most influential intellectual forerunner of Labour's increasingly iconoclastic 1990s revisionism.
(9) These were forerunners of today's "conscious hip-hop" (not for nothing is Gamble and Huff's catalogue among the most ransacked by rappers for samples).
(10) The finding of elevated D2 dopamine receptors in schizophrenia in living patients may be the forerunner of a new biochemical approach to psychiatry.
(11) A radiolabeled form of the benzonaphthazephine, SCH39166 was used to characterize the binding of this D1 antagonist in cortex, and an autoradiographic comparison of the localization of [3H]SCH39166 to [3H]SCH23390 (D1 antagonist and forerunner of SCH39166) binding was performed.
(12) Sir Christopher Bland, who was chairman of Trust forerunner the BBC board of governors from 1996-2001, said his advice to Fairhead was to "cancel her subscription to any cuttings agency and grow a second skin".
(13) It may be a forerunner of similar confrontations to come elsewhere.
(14) It is therefore the forerunner of later computer processing developments and, in the words of English Heritage's report: "A uniquely important site, arguably as significant to the information age as Ironbridge is to the industrial revolution."
(15) In South Africa in the 1940s a team headed by Sidney Kark embarked on work in the Pholela region of Natal that became the forerunner of ideas that were later formalized and systematized under the rubric of community oriented primary care.
(16) The union and its forerunners have for over six decades contributed to the advancement of peace and reconciliation, democracy and human rights in Europe.
(17) These educated young women may be forerunners, and an increase in diagphragm use in the general population may be seen in the near future.
(18) It would be easy to knock The X Factor and its forerunners as pop poison, ruining Christmas for everyone between the ages of eight and 80.
(19) After Skorodumov’s death, the NKVD, the forerunner of the KGB, raided his collection.
(20) When these headaches are recognized as a forerunner to stroke, they may allow an opportunity for preventive treatment.