In human genetics, Haplogroup J-M172 or J2[Phylogenetics 1] is a Y-chromosome haplogroup which is a subclade (branch) of haplogroup J-M304. [Phylogenetics 2] Haplogroup J-M172 is common in modern populations in Western Asia, Central Asia, South Asia, Southern Europe, Northwestern Iran and North Africa.

These 34 Y chromosome mutations are shared by everyone in this haplogroup. They show a paternal lineage of father-son relationships that have accumulated mutations over time. Learn …

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J-M304（外高加索起源）由 M304 遗传标记或等效的 12f2.1 标记定义。 目前主要的亚群 J-M267（亚美尼亚高地起源）和 J-M172（扎格罗斯山脉起源）现在几乎包含了单倍群的所有后代谱系，据信它们都出现得很早，至少在 10,000 年前。

Haplogroup J-M172, also known as Haplogroup J-M304 (Y Chromosome Consortium long-form label), is a genealogical group of lineages defined by unique genetic markers present on the Y-chromosome.

2023年12月11日 · J2a的祖先单倍群J-M172或J2常见于西亚、中亚、南亚、南欧、伊朗西北部和北非的现代人群中，可能起源于高加索、安纳托利亚和/或伊朗西部。

J-M172（J2）是 J-M304 下的一个重要分支，目前主要分布于中东、欧洲、中亚、南亚等地区。 中国的 J 系人群主要属于该类型下游，约占全国男性人口的 0.58%，分布集中在我国西北地区。

Current subclades (FamilyTreeDNA) and id’s (YFull YTree v11.04.00) analysis. It is biased against customers of Y-clusters or regions of which descendants do more BigY/NGS testing (Ashkenazi/Europe, Northwest Europe, Georgia, Armenia, …

The J-M172 haplogroup, also called J2-M172, is an ancient haplogroup estimated as first appearing 24,000 to 19,000 years ago but perhaps earlier. The first J2-M172 man was a member of the J-M304/P209 haplogroup, and almost certainly lived in Southwestern Asia, most likely the region of east Anatolia and south Caucasus.

First is the major branch of the J2-M172 tree where the group is located, J2a or J2b. Second is a “breadcrumb format” description of the cumulative SNPs on the branch of the Y-phylogenetic tree that leads to the group’s assigned Y-haplogroup.