Home / J-Z640 / J-BY74

J-BY74 / J1a2a1a2d2b2b2c4c2~

TMRCA: 4350 years 1196   
J-BY74 (J1a2a1a2d2b2b2c4c2~) is a paternal haplogroup downstream of J-Z640, formed about 4,350 years ago (YFull: 4,000), defined by 2 equivalent mutations; TheYtree curates 96 sub-clades and 90 samples under this lineage (Personal 86 / Scientific 4).

Key facts

ParentJ-Z640
Sub-clades96
Defining SNPs2
TMRCA~4,350 y · 4.4 kya
YFull estimate~4,000 y
ISOGG 2019J1a2a1a2d2b2b2c4c2~
Defining SNPBY74
AliasesMofang J-BY74 · YFull J-BY74

Samples

90Samples in lineage
86Personal
4Scientific
0Ancient
Saudi Arabia 27السعودية 17United Arab Emirates 13Oman 8الكويت 8المملكة العربية السع 6Yemen 3Bahrain 2

Ancient DNA

  • 暂无带年代的古人样本记录

FAQ

What is haplogroup J-BY74?

J-BY74 (J1a2a1a2d2b2b2c4c2~) is a paternal haplogroup downstream of J-Z640, formed about 4,350 years ago (YFull: 4,000), defined by 2 equivalent mutations; TheYtree curates 96 sub-clades and 90 samples under this lineage (Personal 86 / Scientific 4).

When did J-BY74 form?

J-BY74 formed about 4,350 years ago (YFull: 4,000).

Where are J-BY74 samples mainly from?

TheYtree curates 90 samples under this lineage, mainly from Saudi Arabia、السعودية、United Arab Emirates.

How do I attach my sample to J-BY74?

Register and use the Free Submit tool to submit your Y-haplogroup or SNP; it will be placed on the corresponding paternal tree.

Community discussion （1）

  • Anonymous2026-02-22
    ( ازد شنوءة ) وهو نصر بن الأزد

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