Last common ancestor

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Topic: Last common ancestor

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	Most recent common ancestor - Wikipedia, the free encyclopedia
		It is not possible as of 2004 to similarly estimate the time-frame for an actual most recent common ancestor, largely because of the many variables introduced by recombination.
		The most recent common ancestor ( MRCA) of any set of organisms is the most recent individual which is an ancestor of all of them.
		link ( http://www.nature.com/news/2004/040927/pf/040927-10_pf.html) explaining the relationship of "most recent common ancestor" and "identical ancestors point.")
	en.wikipedia.org /wiki/Most_recent_common_ancestor

	family.html
		The term family generally refers to a domestic group of people, or a number of domestic groups linked through descent (demonstrated or stipulated) from a common ancestor, marriage, or adoption.
		This kind of family is common where mothers do not have the resources to rear their children on their own, and especially where property is inherited.
		This kind of family is common where men desire to assert control over children, or where there is a sexual division of labor requiring the participation of both men and women, and where families are relatively mobile.
	www.informationgenius.com /encyclopedia/f/fa/family.html

	Common descent - Wikipedia, the free encyclopedia
		One such tree showing the paths of descent from a common ancestor is depicted in the article on phylogenetic trees.
		most recent common ancestor of all currently living organisms, is believed to have appeared about 3.5 billion years ago (see: origin of life).
		In biology, the theory of universal common descent proposes that all organisms on Earth are descended from a common ancestor or ancestral gene pool.
	en.wikipedia.org /wiki/Universal_common_ancestor

	Clues to the Last Common Ancestor :: Astrobiology Magazine :: Search for Life in the Universe
		Eventually, she hopes to enumerate a set of proteins that were the ancestors of the proteins that performed all of the cellular functions in the Last Common Ancestor.
		She and her colleagues at The Marine Biological Laboratory in Woods Hole, Massachusetts, are looking for molecular traces of precursors to the last common ancestor of all modern cells.
		"Last Common Ancestor" is the term used by scientists to describe the ancient cell that ultimately gave rise to the three great domains of life: Archaea, Bacteria and Eukarya.
	www.astrobio.net /news/article216.html

	Researchers Reconstruct Parts Of The Genome Of A Common Mammalian Ancestor
		For common ancestors with fewer living descendant species, comparisons would be more difficult, as would also be the case if the speciation process were spread out over a longer time than was the case for placental mammals.
		The tool is already proving valuable to Haussler's group, which has done comparisons of modern species with their common ancestor, and turned up differences in the rates of genetic change among lineages.
		A group of researchers has re-created with remarkable accuracy part of the genome of the common ancestor of all placental mammals, a small shrew-like creature that prowled the forests of what is now Asia more than 80 million years ago.
	www.sciencedaily.com /releases/2004/11/041130205441.htm

	Common ancestor - EvoWiki
		Usually it is these recent common ancestors that biologists/ paleontologists are concerned with, and the most recent link between later species would be the last common ancestor (LCA) while the LCA of all contemporary life on Earth is known as the Last Universal Common Ancestor (LUCA).
		Identifying common ancestors is one of the tasks you have to do when systematically ordering known species.
		A fossil of the common ancestor or a related form is a transitional fossil.
	wiki.cotch.net /wiki.phtml?title=Common_ancestor

	last common ancestors
		I haven't read the paper, but Nature has or is about to publish a paper claiming that the last common ancestor of all humans alive today lived only 3500 years ago,
		However, I much more strongly lend credence to this parallel claim from the article: ### All or nothing Besides dating our most recent common ancestor, Rohde's team also calculates that in 5,400 BC everyone alive was either an ancestor of all of humanity, or of nobody alive today.
		That is not the same as speciation as in last common anscestor.
	www.science-one.com /new-3707379-4261.html

	McDuffie Y-Chromosome DNA Surname Project - Test results
		The genetic distance between each of the 12 distinct lines indicates that there is probably no common ancestor in the last 10,000 years separating the bloodlines.
		The mismatch is on a fast mutating marker so these two McAfees may have a common ancestor in the last 1000 years, however with only 12 markers this is conjecture.
		This means that this group have a 50% chance of a common ancestor within 75 years a 90% chance of a common ancestor within 250 years and a 95% chance of a common ancestor within 375 years.
	www.mcduffiedna.com /DNAresults.htm

	Point Pleasant Presbyterian: OUR COMMON ANCESTOR
		For Muslims, Christians and Jews, that common ground is that which was first trodden by the man who is the patriarch of all three religions.
		That is the only common ground on which we have a hope of meeting one another.
		The preacher Halford Luccock has a famous sermon on this text called, “Marching Off the Map.” That’s the way it was for him: when he left Haran, he had little idea of where he was headed, just that he was trusting God to lead him there.
	www.pointpresbyterian.org /archives/000026.html

	New Fossil May Be Closest Yet To Ancestor Of All Great Apes
		A new ape species from Spain called Pierolapithecus catalaunicus, or its close relative, may have been the last common ancestor to all living great apes, including humans, researchers say.
		These features, plus the fossil's age of about 13 million years, suggest that this species was probably close to the last great ape ancestor, according to Salvador Moyà-Solà of the Miguel Crusafont Institute of Paleontology and the Diputación de Barcelona in Barcelona, Spain and his colleagues.
		Human Ancestors Went Out Of Africa And Then Came Back: Researchers Propose Controversial New Model For Evolution Of Humans And Apes (August 7, 1998) -- SUNY-Albany biologist Caro-Beth Stewart and NYU anthropologist Todd R. Disotell have proposed a controversial new model for the evolution of apes and humans, which together are called the hominoids.
	www.sciencedaily.com /releases/2004/11/041123211616.htm

	WORLD'S MOST IMPORTANT GRAINS LINKED TO COMMON ANCESTOR
		Dr. Keith Schertz, U.S. Department of Agriculture-Agricultural Research Service geneticist, and Dr. Andrew Paterson, Texas Agricultural Experiment Station molecular biologist, said the common ancestor probably looked like a grassy weed, with long blades for leaves and small flowers at the tip of the stem similar to sorghum plants.
		Researchers have believed for years that the grains had a common ancestor, but that theory had not been proven.
		The discovery that a common set of genes are largely responsible for the large seeds and high yields of modern cereal grains could unlock the door to genetic engineering of more productive and nutritious crops.
	agnews.tamu.edu /stories/HORT/grains.htm

	Paleobio: Education
		common ancestor - any organism that is part of a lineage that two other organisms (or groups) share is a common ancestor of the two organisms.
		Even YOUR history can be traced back to this time when all life shared a single common ancestor.
		To share a common ancestor is to be related.
	www.paleobio.org /education/nutshell.html

	Scientists Recreate Genome of Ancient Human Ancestor
		The results allowed the scientists to reconstruct a DNA sequence common to each species, including their common ancestor, thought to be the mother of most placental mammals.
		Scientists recreated part of the genome of a later species, known simply as the "boreoeutherian ancestor," which is thought to be the most recent common ancestor of all placental mammals.
		This common ancestor has no scientific name, Haussler said.
	www.ngnews.com /news/2005/01/0125_050125_genome.html

	USATODAY.com - Ancient animal could be human-ape ancestor
		WASHINGTON (AP) &; A nearly 13 million-year-old ape discovered in Spain is the last probable common ancestor to all living humans and great apes, a research team says in Friday's issue of Science magazine.
		Moya-Sola said apes, however, were common in the area millions of years ago.
		USATODAY.com - Ancient animal could be human-ape ancestor
	www.usatoday.com /news/science/2004-11-19-human-ancestor_x.htm

	Your Family Tree
		The last common ancestor between all anthropoids - men, gorillas, and chimpanzees - and all the monkeys of the old and new continent (apes with a tail) lived some 35 million years ago.
		The last common ancestor between a whale and a pea lived about 2 billion years ago, without a doubt, a unicellular organism similar to bacteria.
		The last common ancestor between men and kangaroos live 150 million years ago, and 170 million years ago the last ascendancy of humans and platypuses.
	www.geocities.com /CapeCanaveral/Lab/2948/tree.html

	Study results show most Europeans evolved from a common ancestor
		Underhill said the basic pattern had some changes that apparently developed among people who once shared a common ancestor and then were isolated for a long time.
		Underhill said that the researchers found that about 80 percent of all European males share a single pattern, suggesting that they had a common ancestor thousands of generations ago.
		Researchers analyzing Y chromosomes of 1,007 men from 25 locations in Europe found a pattern that suggests four of five of them shared a common male ancestor about 40,000 years ago.
	www.trussel.com /prehist/news228.htm

	Goodman DNA Project
		Where the common ancestor is identified, and you are considering that this participant's tree represents a branch of your family tree, you most likely would want to validate all the research for their tree.
		For Surname Projects where the common ancestor is not identified, it is recommended to upgrade to 25 Markers for a 10/12, 11/12 or 12/12 match.
		For those who are not familiar with probability, a 50% probability means that half the time the common ancestor would occur before the number of generations specified, and half the time the common ancestor would occur after the number of generations specified.
	www.bcpl.net /~dmg/understanding.html

	'Most recent common ancestor' of all living humans surprisingly recent
		These more realistic models estimate that the most recent common ancestor of mankind lived as recently as about 3,000 years ago, and the identical ancestors point was as recent as several thousand years ago.
		Those precise mathematical results showed that in a world obeying the simplified assumptions, the most recent common ancestor would have lived less than 1,000 years ago.
		He also introduced the "identical ancestors point," the most recent time -- less than 2,000 years ago in the simplified model -- when each person was an ancestor to all or ancestor to none of the people alive today.
	www.eurekalert.org /pub_releases/2004-09/yu-rc092904.php

	Last universal ancestor - Wikipedia, the free encyclopedia
		Also LCA (last common ancestor) or LUCA (last universal common ancestor).
		The last universal ancestor already had all of the properties that are shared by all currently living organisms, such as a (prokaryotic) cell structure, DNA, the modern genetic code and mRNA, tRNA and ribosome mediated transcription.
		Last universal ancestor (LUA), the hypothetical latest living organism from which all currently living organisms descend.
	en.wikipedia.org /wiki/Last_universal_ancestor

	The Last Universal Common Ancestor
		Today scientists believe all current life forms could have evolved from a single, simple progenitor —an organism now referred to as life’s Last Universal Common Ancestor (LUCA).
	www.mines.unr.edu /able/GEOL100-11/tsld010.htm

	ChimpNews: COMMON ANCESTOR'S BONES FOUND
		Scientists in Spain have discovered fossils of an ape species from about 13 million years ago that they think may have been the last common ancestor of all living great apes, including humans.
		The new ape species and its possible place in prehuman evolution are described in today's issue of the journal Science by a research team led by Dr. Salvador Moyà-Solà of the Miquel Crusafont Institute of Paleontology in Barcelona.
	chimpnews.blogspot.com /2004/11/common-ancestors-bones-found.html

	In Search of Our "Biblical Common Ancestor" by Patrick Young, Ph.D.
		The genetic conclusion that the common ancestor for all humans originated from Africa is based on the principle of maximum parsimony.
		The primary criteria for the acceptance of these methods by evolutionists are, (1) evolution via common ancestry is fact and (2) humans and apes diverged from a common ancestor about 5 million years ago.
		This brands the matriarchal "biblical common ancestor" conceivably to be Eve and the genetic patriarch as Noah.
	www.creationists.org /patrickyoung/article05.html

	CB822: No single common ancestor
		The claim refers to results that indicate that horizontal gene transfer was common in the very earliest life.
		In other words, genetic information was not inherited only from one's immediate ancestor; some was obtained from entirely different organisms, too.
		Horizontal gene transfer is not a major factor affecting modern life, including all macroscopic life: "Although HGT does occur with important evolutionary consequences, classical Darwinian lineages seem to be the dominant mode of evolution for modern organisms" (Kurland et al.
	www.talkorigins.org /indexcc/CB/CB822.html

	LUCA
		The term 'last common ancestor' could be used (and is in effect) for all groups of organisms.
		This work should open on the inventory of proteins common to the three domains, that is to say present similarities of sequence which one could reasonably suppose to all be derived from the same common ancestor (In technical terms, these proteins are said to be homologs).
		The majority vision today is more that of a common ancestor resembling either bacteria or archaea, and for some, that of a creature intermediate between prokaryotes (cells without nuclei) and eukaryotes (cells with nuclei).
	www-archbac.u-psud.fr /Meetings/LesTreilles/LesTreilles_e.html

	Common Ancestor
		EW YORK-Every man on Earth today is related, linked by a Y chromosome to a common ancestor who lived about 190,000 years ago, a study suggests.
		Hammer said the study suggests that the ancestor lived just before anatomically modern humans appeared around 100,000 years ago, a date that is in some dispute among scientists.
		This so-called ancestral Adam was among many males who lived before anatomically modern humans evolved, but he's the only one purported in the study to have a genetic legacy that persists today.
	www.islamicity.com /Media/ANCMTS/951124a.htm

	BioMed Central Full text Algorithms for computing parsimonious evolutionary scenarios for genome evolution, the last universal common ancestor and dominance of horizontal gene transfer in the evolution of prokaryotes
		Gene I is present in all extant species (A, B, C, and D) and thus can be inferred to have evolved in the common ancestor of all four species, the tree root, and to have been inherited by all of them.
		The common ancestors of bacteria and archaea-eukaryotes, which have no associated losses in accord with Assertion 5, are linked to massive gene gain.
		The unexpected outcome of this analysis is that HGT might have been as common in the evolution of prokaryotes as lineage-specific gene loss, particularly at the early stages.
	www.biomedcentral.com /1471-2148/3/2

	Creating UCM Projects from a common ancestor baseline
		I also think that from an efficiency standpoint it will be easier to compare baselines and versions across 'release' projects if each of the projects integration streams start from the same 'ancestor' baseline, but this is merely intuitive, which is why I'm looking for some help here.
		I am thinking that there is value in 'seeding' all of the SNC 'release' projects from the same 'ancestor' but I'm not sure exactly why.
		One 'user interface' benefit is that each of the projects can close all the other streams in the Version Tree Browser and in the Baseline Browser that don't pertain to them and only see their branches.
	www.cmcrossroads.com /boards/showflat-Number-25915-Main-25915

	Ralph Dumain: "The Autodidact Project": "The Universal" by E. V. Ilyenkov
		Among the "features" of the common ancestor who continues alive amidst his posteriors, one is bound to suggest an ability to generate something contrary to himself—the ability to generate both, a big man (relative to himself) and, on the contrary, a little man (again relative to himself).
		Also understood as "common" is that which exists apart from these two individuals, precisely as a thing or yet another individual, like common ancestor, common—one for two (for all), field, common motor‑car or kitchen, common friend or acquaintance, and so on, and so forth.
		The universal ("concrete‑universal") is opposed to the sensuous variety of particular individuals, in the first place as the latter's own substance and the concrete form of their interaction, rather than to intellectual abstraction.
	www.autodidactproject.org /other/ilyenkv4.html

	- A Critique of ''29 Evidences for Macroevolution'' - Part 2 -
		The suggestion that universal common ancestry would be falsified by finding “vestigial structures” in an organism that were not present in that organism’s alleged ancestors, as depicted in the standard phylogeny, is incorrect (in that it is based on a false premise).
		There is nothing about the hypothesis of universal common ancestry that requires any particular manner of reproduction, let alone one in which embryos either recapitulate the ontogenies of their ancestors or pass through stages representative of their evolutionary history.
		Macroevolutionists claim that these major groups of marsupials are together because they evolved from a common ancestor, but the evidence can be at least as well explained as similar organisms (fit for similar environments and with similar capabilities) traveling more or less together to similar environments.
	www.trueorigin.org /theobald1c.asp

	Nearest Common Ancestor Report (XDb1's $1000 Challenge)
		oand#118;tpand#118;t, since john is definitely NOT a "nearer" common ancestor that mary.
		> output, since john is definitely NOT a "nearer" common ancestor that mary.
		the prize, one needs to produce the equivalent Nearest Common Ancestor
	www.dbforumz.com /ftopic-93-0.html

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