What's the difference between ancestor and forebear?

Ancestor


Definition:

  • (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.

Forebear


Definition:

  • (n.) An ancestor. See Forbear.

Example Sentences:

  • (1) Modern lungfish are air-breathing nonmarine forms, yet their Devonian forebears were marine fish that did not breathe air.
  • (2) We need parenting classes that help mothers and fathers identify how they are repeating the negative patterns of their forebears.
  • (3) The induction of a delirium may be the significant therapeutic event experienced by this patient, and the common event induced by physiologically stressful treatments administered by our psychiatric forebearers.
  • (4) Our forebears never flinched from modernising the Conservative party, so why should we?
  • (5) A younger generation see things differently: challenging taboos is less a betrayal of their recent forebears, more a concession to a changing world.
  • (6) No case of Marfan syndrome are to be found among forebearers.
  • (7) Indeed, the decision announced today to build stations in the centre of Leeds and Manchester , while definitely correct in terms of bringing benefits to those cities, will increase the cost enormously since, as our Victorian forebears found out, that last mile or so of rail line into urban areas is by far the most expensive.
  • (8) When Tiberius died Caligua left for Rome where his excessive tastes “were translated on to the most public stage of all – the imperial capital.” He did things differently to his forebears, the polar opposite of Tiberius’s and, before him, Augustus’ moral strategy.
  • (9) He was contemptuous of the way a powerful lobby had manipulated Jewish American opinion, although this compared with the way "the Greek, Armenian, Ukrainian and Irish diasporas have all played an unhealthy role in perpetuating ethnic exclusivism and nationalist prejudice in the countries of their forebears".
  • (10) The author analyzes the characteristic inability of public health leaders to support their grand visions in times critical for decision, and calls on the modern community health educator, planner, and organizer to face the explicit question that all but a few of his public health forebears have sidestepped: Is public health a brance of medicine?
  • (11) Mad Men often gets called a show where nothing changes because of its spiritual forebear, The Sopranos, on which change didn't happen because it was so inconvenient.
  • (12) As a matter of fact, whereas from the family of Uranium come Radon (Rn 222), Lead (Pb 210) and Polonium (Po 210), these last two, respectively with halving-times of 22.3 years and 138.4 days, from the family of Thorium (Th 232) originates Radon (Rn 220 in past times defined "Toron" according to its "forebear") and Lead (Pb 212 with a halving-time of 10.6 hours).
  • (13) If you want to understand the minds of our forebears, and appreciate the critical role that art has played in our evolution – issues raised by the British Museum's superb exhibition, Ice Age Art , which closes on 2 June – then the Vézère is for you.
  • (14) Known as bathing machines, and looking like beach huts on wheels, these contraptions became a ubiquitous feature of the Victorian seaside, helping to protect the modesty of generations of our forebears until it became socially acceptable to walk across the beach in a bathing costume.
  • (15) We have created educational opportunities beyond the dreams of our forebears.
  • (16) Man inherits from his animal forebears the biological imperative of an incest barrier but brings to it his special complexity of psychology and symbolization--incest barrier becomes incest taboo.
  • (17) Their forebears might occasionally question what the Bangladeshis have done to the place.
  • (18) As we consider the legacy of 20th-century Georgians next year, so let us also remember their forebears.
  • (19) "And actually when we go back to a normal period of low interest rates – so if they rise by 2%-3%, which is perfectly reasonable even before the three years target that [the Bank of England governor] Mark Carney has set – it's going to have a really dramatic effect on quite a number of households that are already suffering a bit of forebearance on their mortgages."
  • (20) Our forebears neither knew nor cared how the Romans spoke, so they devised a self-serving system of descriptions that bear little relation to why we say or write things the way we do.