(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.
Vestige
Definition:
(n.) The mark of the foot left on the earth; a track or footstep; a trace; a sign; hence, a faint mark or visible sign left by something which is lost, or has perished, or is no longer present; remains; as, the vestiges of ancient magnificence in Palmyra; vestiges of former population.
Example Sentences:
(1) The Conservatives are offering the gay community no new measures to remedy the remaining vestiges of homophobia and transphobia .
(2) Cells and cell lines from malignant rat mammary tumours of increasing metastatic potential and from malignant areas of human ductal carcinomas largely fail to yield fully differentiated myoepithelial-like or alveolar-like cells in culture; however, weakly metastasizing rat cells yield variants which may retain a vestige of the myoepithelial phenotype.
(3) Many bacterial vestiges were probably retained in eukaryotes, mostly those related to the dominant and lasting role of small replicons in all their bacterial precursors.
(4) The pledge to meet the international aid target is one of the few remaining vestiges of the pre-government, compassionate Conservative Cameron.
(5) This was a design clearly untroubled by the least vestige of aesthetic ambition.
(6) The results suggest that the Bhil frequencies include vestiges of the ancestral genepool of a more widespread aboriginal population whose influence is detectable in the gene frequencies of some other populations in India.
(7) This is a case report of a rare tumour of the ovary originally developing from the embryonal vestiges of the Wolffian duct and becoming a pure mesonephrotic carcinoma.
(8) These 18 amino acids may either constitute the unique vestige of a divergent evolution between the B domains of factors V and VIII or reveal the convergent evolution toward a critical epitope involved in the activation of both procofactors.
(9) After a variable and partially overlapping time period, these fibers enter the cortical plate while the subplate zone disappears leaving only a vestige of cells scattered throughout the subcortical white matter.
(10) Romney, dispensing with the last vestiges of respect for the office of the president, said: "You will get your chance in a minute.
(11) The library did not deem it appropriate to pay citizen Burovaya [Skorodumov widow] for the erotic literature, broadsheets and magazines, as this literature presents neither scientific nor historical value to the library’s readers, and is an especially harmful vestige of bourgeois ideology,” he wrote.
(12) "This is a world-first initiative designed to remove the last vestige of glamour from tobacco products," she told parliament.
(13) The cane mouse apparently is unique among the animals challenged so far in these ways in that it seems to have no vestige of reproductive photoresponsiveness.
(14) In all likelihood, however, few PAAs will be shown to produce a single "pure" activity and because there are some similarities in the different SARs (even though there are some very clear differences) it is not unreasonable to assume that many PAAs will produce more than one type of effect or will display vestiges of one or more different components of action.
(15) But there was a nervousness among some senior Tories that Osborne had abandoned the last vestige of compassionate Conservatism and bet the farm on such an unflinching approach to the deficit.
(16) The method is also useful for the evaluation of chronic ankle instability, follow-up examinations, and for the detection of vestiges of previous trauma of the contralateral ankle.
(17) We hypothesize that this pathway represents vestiges of a more primitive C pathway.
(18) The data are compatible with the notion that suppression of clonal expansion represents the primary mechanism of tolerance maintenance (induction), and that the infrequently observed serum reactivity in such tolerant mice represents a vestige of the means whereby-cell mediated suppression was induced.
(19) Just outside the university, vestiges of recent counter-protests littered the pavements – scattered leaflets and bold red banners reading "say no to Occupy Central" affixed to the guardrails.
(20) Along the path runs a silhouetted Pip, the last vestiges of sunlight again twinkling off the water as he passes two unoccupied gallows, a sorry bunch of dry flowers in one hand, clouds smeared across the sky like oil paint.