(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.
Ancestry
Definition:
(n.) Condition as to ancestors; ancestral lineage; hence, birth or honorable descent.
(n.) A series of ancestors or progenitors; lineage, or those who compose the line of natural descent.
Example Sentences:
(1) Her black persona unravelled this week when Ruthanne and Larry Dolezal, a couple named on her Montana birth certificate as her biological parents, told Spokane’s KREM 2 News that her ancestry was German and Czech, with traces of Native American.
(2) As many as 7,717 babies born consecutively and 3,412 blood donors of Sardinian ancestry have been examined for the detection of the Hb J-Sardegna variant [alpha 50(CE8)His----Asp]; all subjects were from Northern Sardinia.
(3) This paper examines findings from the new ancestry question from the perspective of measuring ethnicity.
(4) The frequencies of the alleles in this population of Japanese ancestry are highly different from those of Brazilian Caucasoid blood donors but rather similar to those of Brazilian Negroid donors.
(5) Group A consists of French women of European ancestry, Group B, those born in the French Antilles of mixed ancestry, and Group C black African women with insignificant European admixture.
(6) Genetic markers in people of African ancestry and tables comparing Africans and Europeans are compiled to illustrate the blood differences.
(7) The two mutant alleles are common among caucasians of northern European ancestry; detection in genomic DNA samples of patients and carriers by hybridisation with oligonucleotides specific for the respective mutant alleles requires fractionation of restriction-enzyme-digested genomic DNA samples by gel electrophoresis.
(8) All 331 individuals were unrelated Caucasians of Danish ancestry.
(9) Furthermore, these results demonstrate that flypaper traps share close common ancestry with all other trap forms.
(10) The limited data that are available for Hispanic populations suggest that there is at least a 10-fold difference in risk between individuals of Hispanic ancestry in Colorado and Mexicans in Mexico City.
(11) 8 mature dogs of mixed sheep-dog ancestry 10-17 kg body weight were studied.
(12) An adjustment for the fact the same allele of a biallelic polymorphism may go to fixation in two inbred lines of common ancestry leads to the suggestion that in the stock from which these inbred lines were ultimately derived, there were some 11.0 percent paired and 5.3 percent unpaired polymorphisms in the average mouse.
(13) The effects of environmental exposures on the development of gastric and duodenal ulcers were investigated in a prospective study of 7,624 American men of Japanese ancestry in Hawaii.
(14) The same inversion is observed in the lymphocytes of the chimpanzee, indicating the ancestry of this inversion.
(15) Meanwhile, race was codified into laws determining that even one drop of African ancestry rendered a person legally black.
(16) The rate of change of amino acid sequence varies greatly from protein to protein, and this naturally affects how far back a given protein's ancestry can be traced.
(17) The first one comprises 57 clones that indicate relatives of nitrogen-fixing bacteria of the alpha-2 subclass of the class Proteobacteria; the second group of 7 clones originates from members of the order Planctomycetales that, however, reveal no close relationship to any of the described Planctomycetales species; 22 clones of the third group are indicative of members of a novel main line of descent, sharing a common ancestry with members of planctomycetes and chlamydiae.
(18) Major risk factors associated with cholesterol gallstone formation are American Indian ancestry, female sex, obesity, and ingestion of lithogenic drugs, such as estrogen-containing preparations and clofibrate.
(19) The Robertsonian translocation 5(13;14)(p11;q11) was studied in three families with probable common ancestry in Eastern Finland.
(20) Furthermore, close sequence similarity between BexA and BexB and products of the kpsT and kpsM genes at the Escherichia coli K5 capsulation locus (Smith et al., 1990--accompanying paper) suggests that capsulation genes in these organisms may have a common ancestry.