Pedigree chart in the context of "Purebred"

Genealogy (from Ancient Greek γενεαλογία (genealogía) 'the making of a pedigree') is the study of families, family history, and the tracing of their lineages. Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate kinship and pedigrees of its members. The results are often displayed in charts or written as narratives. The field of family history is broader than genealogy, and covers not just lineage but also family and community history and biography.

The record of genealogical work may be presented as a "genealogy", a "family history", or a "family tree". In the narrow sense, a "genealogy" or a "family tree" traces the descendants of one person, whereas a "family history" traces the ancestors of one person, but the terms are often used interchangeably. A family history may include additional biographical information, family traditions, and the like.

A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms.

A most recent common ancestor (MRCA), also known as a last common ancestor (LCA) or concestor (a term coined by Nicky Warren), is the most recent individual from which all organisms of a set are inferred to have descended. The most recent common ancestor of a higher taxon is generally assumed to have been a species. The term is also used in reference to the ancestry of groups of genes (haplotypes) rather than organisms.

The ancestry of a set of individuals can sometimes be determined by referring to an established pedigree, although this may refer only to patrilineal or matrilineal lines for sexually-reproducing organisms with two parents, four grandparents, etc. However, in general, it is impossible to identify the exact MRCA of a large set of individuals, but an estimate of the time at which the MRCA lived can often be given. Such time to most recent common ancestor (TMRCA) estimates can be given based on DNA test results and established mutation rates as practiced in genetic genealogy, or by reference to a non-genetic, mathematical model or computer simulation.

A horse breed is a selectively bred population of domesticated horses, often with pedigrees recorded in a breed registry. However, the term is sometimes used in a broader sense to define landrace animals of a common phenotype located within a limited geographic region, or even feral "breeds" that are naturally selected. Depending on definition, hundreds of "breeds" exist today, developed for many different uses. Horse breeds are loosely divided into three categories based on general temperament: spirited "hot bloods" with speed and endurance; "cold bloods," such as draft horses and some ponies, suitable for slow, heavy work; and "warmbloods," developed from crosses between hot bloods and cold bloods, often focusing on creating breeds for specific riding purposes, particularly in Europe.

Horse breeds are groups of horses with distinctive characteristics that are transmitted consistently to their offspring, such as conformation, color, performance ability, or disposition. These inherited traits are usually the result of a combination of natural crosses and artificial selection methods aimed at producing horses for specific tasks. Certain breeds are known for certain talents. For example, Standardbreds are known for their speed in harness racing. Some breeds have been developed through centuries of crossings with other breeds, while others, such as the Morgan horse, originated from a single sire from which all current breed members descend. More than 300 horse breeds exist in the world today.

The College of Arms (or Heralds' College) is the heraldic authority for England, Wales, Northern Ireland, and some Commonwealth realms; the heraldic authority for Scotland is the Court of the Lord Lyon. The College is a royal corporation consisting of professional officers of arms who act on behalf of the Crown in matters of heraldry, including the granting of new coats of arms; genealogical research; and the recording of pedigrees. The College is also responsible for matters relating to the flying of flags on land, and maintains the official registers of flags and other national symbols. It is also involved in the planning of ceremonial occasions such as coronations, state funerals, the annual Garter Service, and the State Opening of Parliament. The officers of arms accompany the monarch on many of these occasions.

King Richard III of England founded the College by royal charter in 1484. The College has been located in the City of London since its foundation, and has been at its present site on Queen Victoria Street since 1555. There are thirteen officers or heralds, who are appointed by the monarch: three Kings of Arms, six Heralds of Arms, and four Pursuivants of Arms. There are also seven officers extraordinary, who take part in ceremonial occasions but are not part of the College. The entire corporation is overseen by the Earl Marshal, a hereditary office always held by the Duke of Norfolk.

Alpín mac Echdach was a supposed king of Dál Riata, an ancient kingdom that included parts of Ireland and Scotland.

Alpín was included in a pedigree chart created in the 10th century to connect the kings of Alba (Scotland) to legendary Dál Riatan and Irish ancestors. In this pedigree, Alpín's father is Eochaid, an Irish name, yet he becomes the father of Cináed (Kenneth MacAlpin) and Domnall mac Ailpín.

Genetic counseling is the process of investigating individuals and families affected by or at risk of genetic disorders to help them understand and adapt to the medical, psychological and familial implications of genetic contributions to disease. This field is considered necessary for the implementation of genomic medicine. The process integrates:

• Interpretation of family and medical histories to assess the chance of disease occurrence or recurrence
• Education about inheritance, testing, management, prevention, resources
• Counseling to promote informed choices, adaptation to the risk or condition and support in reaching out to relatives that are also at risk