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haplogroup
Sign in to saveA haplotype is a group of alleles in an organism that are inherited together from a single parent, and a haplogroup (haploid from the , haploûs, "onefold, simple" and ) is a group of similar haplotypes that share a common ancestor with a single-nucleotide polymorphism mutation. More specifically, a haplotype is a combination of alleles at different chromosomal regions that are closely linked and tend to be inherited together. As a haplogroup consists of similar haplotypes, it is usually possible to predict a haplogroup from haplotypes. Haplogroups pertain to a single line of descent. Such as t
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- genetic genealogy
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- Haplogroups
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- Category:Human haplogroups
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- Template:Infobox haplogroup
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Encyclopedic overview
21 sectionsContents
- Haplogroup formation
- Human Y-chromosome DNA haplogroups
- Groups without mutation M168
- Groups with mutation M168
- Groups with mutation M89
- Groups with mutations L15 & L16
- Groups with mutation M9
- Groups with mutation M526
- Human mitochondrial DNA haplogroups
- Defining populations
- Y-chromosome and MtDNA geographic haplogroup assignment
- Y-chromosome
- mtDNA
- See also
- References
- External links
- General
- all DNA haplogroups
- Y chromosome DNA haplogroups
- Mitochondrial DNA haplogroups
- Software
A haplotype is a group of alleles in an organism that are inherited together from a single parent, and a haplogroup (haploid from the , haploûs, "onefold, simple" and ) is a group of similar haplotypes that share a common ancestor with a single-nucleotide polymorphism mutation. More specifically, a haplotype is a combination of alleles at different chromosomal regions that are closely linked and tend to be inherited together. As a haplogroup consists of similar haplotypes, it is usually possible to predict a haplogroup from haplotypes. Haplogroups pertain to a single line of descent. Such as the Haplogroup R-M269 a membership of a haplogroup, by any individual, relies on a relatively small proportion of the genetic material possessed by that individual.
upright=1.4|thumb|Y-DNA haplogroups map of the world Each haplogroup originates from, and remains part of, a preceding single haplogroup (or paragroup). As such, any related group of haplogroups may be precisely modelled as a nested hierarchy, in which each set (haplogroup) is also a subset of a single broader set (as opposed, that is, to biparental models, such as human family trees). Haplogroups can be further divided into subclades.
Excerpted from Wikipedia’s “haplogroup” article, available under the CC BY-SA 4.0 licence.