Before a reclassification in 2008, [22] the group was known as I1a, a name that has since been reassigned to a primary branch, haplogroup I-DF29. The other primary branches of I1 (M253) …

Haplogroup I1 is the most common type of haplogroup I in northern Europe. It is found mostly in Scandinavia and Finland, where it typically represent over 35% of the Y chromosomes. …

In human genetics, Haplogroup I1a (M253, M307, P30, P40) is a Y-chromosome haplogroup occurring at greatest frequency in Scandinavia. It displays a very clear frequency gradient, …

Find out which of the I1a branches and 7 countries that you belong to with the most comprehensive mtDNA test! Every new mtFull Sequence test result helps improve the tree …

2024年10月28日 · In Finland, two Y-chromosomal haplogroups reveal the major substructure of the population: N1a1 enriched in the northeast and I1a in the southwest, suggested to reflect …

I1a (S438) This lineage was able to repopulate Northern Europe in the early Mesolithic. I1a1 (M227) Expanded on the East Bank of the Vistula river and south to the Balkans. I1a1a (M72) …

On 27 April 2012 SNP Z131/S249 was added on I1 tree upstream of the existing subclades, which are now subclades of I1a1. The haplogroups which can be directly recognized by 23andMe …

注意到I1B是下级B断路器的运行电流，I1A是上级A断路器的运行电流。 运行电流右侧的曲线段就是过载长延时L参数的反时限曲线。 当过载电流在I1A和I1B之间时，由下级B断路器负责开 …

I1族群所代表的欧洲日耳曼族群，确实在欧洲有梯次分布区（这个梯次分布区的成型缘由有争议），但是未必和信史时代西罗马崩溃，日耳曼进入南欧地区有关，因为SNP突变不是点突变， …

Haplogroup I1a (M253, M307, P30, P40) displays a very clear frequency gradient, with a peak frequency of approximately 35% among the populations of southern Norway, southwestern …