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Y-chromosomal Adam

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In human genetics, Y-chromosomal most recent common ancestor (Y-MRCA; informally also known as Y-chromosomal Adam) refers to the most recent common ancestor (MRCA) from whom all currently living people are descended patrilineally. [1]

62 relations: Adam, Adam's Curse, Africa, American Journal of Human Genetics, Anatomically modern human, Archaeogenetics, Archaic human admixture with modern humans, Autosome, Base pair, Bryan Sykes, Cameroon, Central Africa, Chimpanzee, Coalescent theory, Confidence interval, Deletion (genetics), Genealogical DNA test, Genetic genealogy, Genetic recombination, Genographic Project, Greater Maghreb, Haplogroup A (Y-DNA), Haplogroup BT, Haplogroup CT, Homo erectus, Human genetics, Human Y-chromosome DNA haplogroup, Identical ancestors point, Insertion (genetics), Matrilineality, Mbo people (Cameroon), Meiosis, Mitochondrial DNA, Mitochondrial Eve, Molecular clock, Molecular evolution, Monophyly, Most recent common ancestor, Mutation, National Geographic (magazine), National Geographic Channel, Neolithic, Nucleobase, Paternal mtDNA transmission, Patrilineality, Phylogenetic tree, Polygyny, Population bottleneck, Present day, Recent African origin of modern humans, ..., San people, Sardinian people, Science (journal), Single-nucleotide polymorphism, Social stratification, Terminus post quem, Thymine, West Africa, Whole genome sequencing, X chromosome, Y chromosome, Y-chromosomal Aaron. Expand index (12 more) »


Adam (אָדָם; Aramaic/Syriac: ܐܕܡ; آدم) is a figure from the Book of Genesis who is also mentioned in the New Testament, the deuterocanonical books, the Quran, the Book of Mormon, and the Book of Iqan.

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Adam's Curse

Adam's Curse: A Future Without Men (also known as Adam's Curse: A Story of Sex, Genetics, and the Extinction of Men) is a 2003 book by Oxford University human genetics professor Bryan Sykes expounding his hypothesis that with the declining sperm count in men and the continual atrophy of the Y chromosome, within 5,000 generations (approximately 125,000 years) the male of the human species will become extinct.

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Africa is the world's second-largest and second-most-populous continent.

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American Journal of Human Genetics

The American Journal of Human Genetics is a monthly peer-reviewed scientific journal in the field of human genetics.

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Anatomically modern human

The term anatomically modern humans (AMH) or anatomically modern Homo sapiens (AMHS) refers in paleoanthropology to individual members of the species Homo sapiens with an appearance consistent with the range of phenotypes in modern humans.

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Archaeogenetics, a term coined by British archaeologist and paleolinguist Colin Renfrew, refers to the application of the techniques of molecular population genetics to the study of the human past.

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Archaic human admixture with modern humans

There have been several instances of archaic human admixture with modern humans through interbreeding of modern humans with Neanderthals, Denisovans, and/or possibly other archaic humans over the course of human history.

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An autosome is a chromosome that is not an allosome (i.e., not a sex chromosome).

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Base pair

Base pairs (unit: bp), which form between specific nucleobases (also termed nitrogenous bases), are the building blocks of the DNA double helix and contribute to the folded structure of both DNA and RNA.

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Bryan Sykes

Bryan Sykes (born 9 September 1947) is a Fellow of Wolfson College, and former Professor of Human Genetics at the University of Oxford.

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No description.

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Central Africa

Central Africa is a core region of the African continent which includes Burundi, the Central African Republic, Chad, the Democratic Republic of the Congo, and Rwanda.

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Chimpanzees, colloquially called chimps, are two extant hominid species of apes in the genus Pan.

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Coalescent theory

Coalescent theory is a retrospective stochastic model of population genetics that relates genetic diversity in a sample to demographic history of the population from which it was taken.

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Confidence interval

In statistics, a confidence interval (CI) is a type of interval estimate of a population parameter.

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Deletion (genetics)

In genetics, a deletion (also called gene deletion, deficiency, or deletion mutation) (sign: Δ) is a mutation (a genetic aberration) in which a part of a chromosome or a sequence of DNA is lost during DNA replication.

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Genealogical DNA test

A genealogical DNA test looks at a person's genome at specific locations.

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Genetic genealogy

Genetic genealogy is the use of DNA testing in combination with traditional genealogy and traditional genealogical and historical records to infer relationships between individuals.

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Genetic recombination

Genetic recombination is the production of offspring with combinations of traits that differ from those found in either parent.

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Genographic Project

The Genographic Project, launched on 13 April 2005 by the National Geographic Society and IBM, is a multi-year genetic anthropology study that aims to map historical human migration patterns by collecting and analyzing DNA samples from hundreds of thousands of people from around the world.

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Greater Maghreb

The Maghreb (or;Literally sunset; المغرب العربي, "the Arab West"; ⵜⴰⵎⴰⵣⵖⴰ; previously known as Barbary Coast), or the Greater Maghreb (المغرب الكبير el-Maghrib el-Kbīr), is usually defined as much or most of the region of western North Africa or Northwest Africa, west of Egypt.

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Haplogroup A (Y-DNA)

In human genetics, Haplogroup A is the a Human Y-chromosome DNA haplogroup.

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Haplogroup BT

In human genetics, Haplogroup BT (BT-M91, formerly also variously known as A4, BR, or BCDEF) is a Y-chromosome haplogroup.

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Haplogroup CT

In human genetics, Haplogroup CT is a Y-chromosome haplogroup, defining one of the major lines of common ancestry of humanity along father-to-son male lines.

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Homo erectus

Homo erectus (meaning "upright man", from the Latin ērigere, "to put up, set upright") is an extinct species of hominid that lived throughout most of the Pleistocene geological epoch.

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Human genetics

Human genetics is the study of inheritance as it occurs in human beings.

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Human Y-chromosome DNA haplogroup

In human genetics, a human Y-chromosome DNA haplogroup is a haplogroup defined by differences in the non-recombining portions of DNA from the Y chromosome (called Y-DNA).

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Identical ancestors point

In genetic genealogy, the identical ancestors point (IAP) is that last point in a given population's past where each individual then alive turned out to be either the ancestor of every individual alive now or to have no currently living descendants.

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Insertion (genetics)

In genetics, an insertion (also called an insertion mutation) is the addition of one or more nucleotide base pairs into a DNA sequence.

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Matrilineality is the tracing of descent through the female line.

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Mbo people (Cameroon)

The Mbo people are an Bantu group of the Mbo plain, Littoral Region, Moungo Division, Nkongsamba and Melong subdivisions and in the West Region, Menoua Division, Santchou Subdivision and Upper Nkam Division, Kekem Subdivision of Cameroon.

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Meiosis is a specialized type of cell division which reduces the chromosome number by half.

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Mitochondrial DNA

Mitochondrial DNA (mtDNA or mDNA) is the DNA located in mitochondria, cellular organelles within eukaryotic cells that convert chemical energy from food into a form that cells can use, adenosine triphosphate (ATP).

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Mitochondrial Eve

In human genetics, Mitochondrial Eve is the matrilineal most recent common ancestor (MRCA), in a direct, unbroken, maternal line, of all currently living humans, who is estimated to have lived approximately 100,000–200,000 years ago.

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Molecular clock

The molecular clock (based on the molecular clock hypothesis (MCH)) is a technique in molecular evolution that uses fossil constraints and rates of molecular change to deduce the time in geologic history when two species or other taxa diverged.

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Molecular evolution

Molecular evolution is a change in the sequence composition of cellular molecules such as DNA, RNA, and proteins across generations.

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In common cladistic usage, a monophyletic group is a taxon (group of organisms) which forms a clade, meaning that it consists of an ancestral species and all its descendants.

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Most recent common ancestor

In biology, the most recent common ancestor (MRCA) of any set of organisms is the most recent individual from which all organisms in a group are directly descended.

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In biology, a mutation is a permanent change of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.

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National Geographic (magazine)

National Geographic, formerly The National Geographic Magazine, is the official magazine of the National Geographic Society.

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National Geographic Channel

National Geographic Channel (also commercially abbreviated and trademarked as Nat Geo) is the American digital cable and satellite television channel that is owned by Fox Cable Networks division of 21st Century Fox and the National Geographic Society.

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The Neolithic Age, Era, or Period, from νέος (néos, "new") and λίθος (líthos, "stone"), or New Stone Age, was a period in the development of human technology, beginning about 10,200 BC, according to the ASPRO chronology, in some parts of the Middle East, and later in other parts of the world from First Farmers: The Origins of Agricultural Societies by Peter Bellwood, 2004 and ending between 4,500 and 2,000 BC.

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Nucleobases are nitrogen-containing biological compounds (nitrogenous bases) found linked to a sugar within nucleosides—the basic building blocks of deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

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Paternal mtDNA transmission

In genetics, paternal mtDNA transmission and paternal mtDNA inheritance refer to the incidence of mitochondrial DNA (mtDNA) being passed from a father to his offspring.

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Patrilineality, also known as the male line or agnatic kinship, is a common kinship system in which an individual's family membership derives from and is traced through his or her father's lineage.

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Phylogenetic tree

A phylogenetic tree or evolutionary tree is a branching diagram or "tree" showing the inferred evolutionary relationships among various biological species or other entities—their phylogeny—based upon similarities and differences in their physical or genetic characteristics.

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Polygyny (from Neoclassical Greek πολυγυνία from πολύ- poly- "many", and γυνή gyne "woman" or "wife") is a form of plural marriage, in which a man is allowed more than one wife (i.e., it is a narrow form of polygamy, and distinguished from other forms of polygamy such as polyandry).

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Population bottleneck

A population bottleneck (or genetic bottleneck) is a sharp reduction in the size of a population due to environmental events (such as earthquakes, floods, fires, disease, or droughts) or human activities (such as genocide).

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Present day

The term "present-day" (as an adjective) or "present day" (as a noun) is used to describe the approximate period of time that surrounds the present.

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Recent African origin of modern humans

In paleoanthropology, the recent African origin of modern humans, or the "out of Africa" theory (OOA), is the most widely accepted model of the geographic origin and early migration of anatomically modern humans.

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San people

No description.

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Sardinian people

Sardinian people or Sardinians are the people from or with origins in Sardinia, a western Mediterranean island and autonomous region of Italy.

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Science (journal)

Science, also widely referred to as Science Magazine, is the academic journal of the American Association for the Advancement of Science (AAAS) and is one of the world's top scientific journals.

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Single-nucleotide polymorphism

A single nucleotide polymorphism, also known as simple nucleotide polymorphism, (SNP, pronounced snip; plural snips) is a DNA sequence variation occurring commonly within a population (e.g. 1%) in which a single nucleotide — A, T, C or G — in the genome (or other shared sequence) differs between members of a biological species or paired chromosomes.

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Social stratification

Social stratification is a society's categorization of people into socioeconomic strata, based upon their occupation and income, wealth and social status, or derived power (social and political).

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Terminus post quem

Terminus post quem ("limit after which", often abbreviated to TPQ) and terminus ante quem ("limit before which") specify the known limits of dating for events.

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Thymine (T, Thy) is one of the four nucleobases in the nucleic acid of DNA that are represented by the letters G–C–A–T.

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West Africa

West Africa, also called Western Africa and the West of Africa, is the westernmost subcontinent of Africa.

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Whole genome sequencing

Whole genome sequencing (also known as full genome sequencing, complete genome sequencing, or entire genome sequencing) is a laboratory process that determines the complete DNA sequence of an organism's genome at a single time.

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X chromosome

The X chromosome is one of the two sex-determining chromosomes (allosomes) in many animal species, including mammals (the other is the Y chromosome), and is found in both males and females.

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Y chromosome

The Y chromosome is one of two sex chromosomes (allosomes) in mammals, including humans, and many other animals.

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Y-chromosomal Aaron

Y-chromosomal Aaron is the name given to the hypothesized most recent common ancestor of many of the patrilineal Jewish priestly caste known as Kohanim (singular "Kohen", "Cohen", or Kohane).

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Adam's DNA, Genetic Adam, Human Y-MRCA, Mitochondrial Adam, Scientific Adam, Scientific adam, Y Chromosome Adam, Y chromosomal Adam, Y chromosome Adam, Y-Adam, Y-Chromosomal Adam, Y-MRCA, Y-chromosomal adam, Y-chromosome Adam, Y-mrca.


[1] https://en.wikipedia.org/wiki/Y-chromosomal_Adam

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