I may be slightly off-topic but maybe you could help me with something.
23andme results regarding my haplogroup were a bit surprising for me (I-Z58).
The ancestry on my paternal line should really be in central-northern Adriatic Italy (Romagna/Marche), vs maternal line which is pure Venetian.
I wanted to understand better where the haplogroup may come from. Could you suggest me the best way to move forward with this (happy to do more detailed tests which could trace the subclades from I-Z58 and therefore, possibly, the movements of my I1 ancestor)?
Anecdotally, while the 23andme autosomal dna pushes the Italian side a lot (90+) with low percentages from Balkans&Greece and Scandinavia, on the various Gedmatch calculators the results come out with a much stronger East Med number than expected (also looking at the phenotypes of my family, if that makes sense) lower than expected Atlantic, West Med and North Sea, higher than expected Baltic and West Asian.
Close generally to Tuscany, Greece Thessaly and Albania (or to Szolad37, 3.8 distance) . Slightly confusing, as I should not have significant southern Italian heritage (except for a quarter in Abruzzo), but could have something to do with the Venetian side too (since there is a lot of Venice lagoon heritage there and for centuries there have been any type of exchanges between Venetians, Ottomans, Greeks, Albanians, South Slavs) and in general with the Adriatic being historically land of various mixes.
To make it short, I didn't expect neither a scandinavian/west germanic haplogroup nor such a strong east med part of me at the autosomal level.
Eager to hear your suggestions on how to move forward on the haplogroup digging!
Have you tested after Aug 2017, i.e., have you tested 23andMe v5?
The fact 23andMe categorizes you some way doesn't "necessarily" mean the Raw Data doesn't include positive results for downstream SNPs. Perhaps yes, perhaps no.
If you tested the v5, you could search for the following SNPs (you may browse the rs number or search for the position at Raw Data):
[TABLE="width: 435"]
[TR]
[TD]SNP[/TD]
[TD][/TD]
[TD]Group[/TD]
[TD][/TD]
[TD]RS[/TD]
[TD][/TD]
[TD]Hg19 pos[/TD]
[TD][/TD]
[TD]Anc[/TD]
[TD][/TD]
[TD]Der[/TD]
[/TR]
[TR]
[TD]Z58[/TD]
[TD][/TD]
[TD]I1a2[/TD]
[TD][/TD]
[TD]rs772609696[/TD]
[TD][/TD]
[TD="align: right"]9847423[/TD]
[TD][/TD]
[TD]T[/TD]
[TD][/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD]Z59[/TD]
[TD][/TD]
[TD]I1a2a[/TD]
[TD][/TD]
[TD]rs757424414[/TD]
[TD][/TD]
[TD="align: right"]16802360[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]T[/TD]
[/TR]
[TR]
[TD]Z61[/TD]
[TD][/TD]
[TD]I1a2a1a1[/TD]
[TD][/TD]
[TD]rs752865900[/TD]
[TD][/TD]
[TD="align: right"]19329927[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]T[/TD]
[/TR]
[TR]
[TD]Z60[/TD]
[TD][/TD]
[TD]I1a2a1a1[/TD]
[TD][/TD]
[TD]rs773711447[/TD]
[TD][/TD]
[TD="align: right"]18234588[/TD]
[TD][/TD]
[TD]C[/TD]
[TD][/TD]
[TD]G[/TD]
[/TR]
[TR]
[TD]Z140[/TD]
[TD][/TD]
[TD]I1a2a1a1a[/TD]
[TD][/TD]
[TD]rs768549242[/TD]
[TD][/TD]
[TD="align: right"]17863355[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]A[/TD]
[/TR]
[TR]
[TD]Z141[/TD]
[TD][/TD]
[TD]I1a2a1a1a[/TD]
[TD][/TD]
[TD]rs758870120[/TD]
[TD][/TD]
[TD="align: right"]7530813[/TD]
[TD][/TD]
[TD]A[/TD]
[TD][/TD]
[TD]G[/TD]
[/TR]
[TR]
[TD]Z2535[/TD]
[TD][/TD]
[TD]I1a2a1a1a1[/TD]
[TD][/TD]
[TD]rs765711588[/TD]
[TD][/TD]
[TD="align: right"]22142382[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]T[/TD]
[/TR]
[TR]
[TD]YSC0000261[/TD]
[TD][/TD]
[TD]I1a2a1a1a1a[/TD]
[TD][/TD]
[TD]rs751841691[/TD]
[TD][/TD]
[TD="align: right"]14976484[/TD]
[TD][/TD]
[TD]C[/TD]
[TD][/TD]
[TD]T[/TD]
[/TR]
[TR]
[TD]Z2538[/TD]
[TD][/TD]
[TD]I1a2a1a1a1b[/TD]
[TD][/TD]
[TD]rs778999339[/TD]
[TD][/TD]
[TD="align: right"]22844178[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]T[/TD]
[/TR]
[TR]
[TD]F2642.1[/TD]
[TD][/TD]
[TD]I1a2a1a1a2[/TD]
[TD][/TD]
[TD]rs376636841[/TD]
[TD][/TD]
[TD="align: right"]17936279[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]A[/TD]
[/TR]
[TR]
[TD]Y5497[/TD]
[TD][/TD]
[TD]I1a2a1a1a3[/TD]
[TD][/TD]
[TD]i701072[/TD]
[TD][/TD]
[TD="align: right"]17253349[/TD]
[TD][/TD]
[TD]T[/TD]
[TD][/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD]Y6900[/TD]
[TD][/TD]
[TD]I1a2a1a1a3a[/TD]
[TD][/TD]
[TD]i706588[/TD]
[TD][/TD]
[TD="align: right"]23030253[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]A[/TD]
[/TR]
[TR]
[TD]Y7140[/TD]
[TD][/TD]
[TD]I1a2a1a1a3a1[/TD]
[TD][/TD]
[TD]i702558[/TD]
[TD][/TD]
[TD="align: right"]8448432[/TD]
[TD][/TD]
[TD]T[/TD]
[TD][/TD]
[TD]G[/TD]
[/TR]
[TR]
[TD]Y7477[/TD]
[TD][/TD]
[TD]I1a2a1a1a3a1a[/TD]
[TD][/TD]
[TD]i705732[/TD]
[TD][/TD]
[TD="align: right"]13818342[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]A[/TD]
[/TR]
[TR]
[TD]Y6885[/TD]
[TD][/TD]
[TD]I1a2a1a1a3a2a[/TD]
[TD][/TD]
[TD]i703032[/TD]
[TD][/TD]
[TD="align: right"]16267366[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]T[/TD]
[/TR]
[TR]
[TD]Y3657[/TD]
[TD][/TD]
[TD]I1a2a1a1d1a1[/TD]
[TD][/TD]
[TD]rs755882976[/TD]
[TD][/TD]
[TD="align: right"]23885777[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD]Y5448[/TD]
[TD][/TD]
[TD]I1a2a1a1d1a1a1[/TD]
[TD][/TD]
[TD]i704541[/TD]
[TD][/TD]
[TD="align: right"]8757595[/TD]
[TD][/TD]
[TD]A[/TD]
[TD][/TD]
[TD]T[/TD]
[/TR]
[TR]
[TD]Y5568[/TD]
[TD][/TD]
[TD]I1a2a1a1d1a1a2[/TD]
[TD][/TD]
[TD]i705743[/TD]
[TD][/TD]
[TD="align: right"]23963569[/TD]
[TD][/TD]
[TD]A[/TD]
[TD][/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD]L573[/TD]
[TD][/TD]
[TD]I1a2a1a1d1b[/TD]
[TD][/TD]
[TD]i704699[/TD]
[TD][/TD]
[TD="align: right"]16020280[/TD]
[TD][/TD]
[TD]T[/TD]
[TD][/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD]L1248[/TD]
[TD][/TD]
[TD]I1a2a1a1d2[/TD]
[TD][/TD]
[TD]i703630[/TD]
[TD][/TD]
[TD="align: right"]5274925[/TD]
[TD][/TD]
[TD]A[/TD]
[TD][/TD]
[TD]G[/TD]
[/TR]
[TR]
[TD]M219[/TD]
[TD][/TD]
[TD]I1a2a1a1d2a1a[/TD]
[TD][/TD]
[TD]rs2032669[/TD]
[TD][/TD]
[TD="align: right"]15436915[/TD]
[TD][/TD]
[TD]T[/TD]
[TD][/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD]L803[/TD]
[TD][/TD]
[TD]I1a2a1a1d2a1c[/TD]
[TD][/TD]
[TD]i705100[/TD]
[TD][/TD]
[TD="align: right"]17599534[/TD]
[TD][/TD]
[TD]T[/TD]
[TD][/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD]Z139[/TD]
[TD][/TD]
[TD]I1a2b[/TD]
[TD][/TD]
[TD]rs777599897[/TD]
[TD][/TD]
[TD="align: right"]21288655[/TD]
[TD][/TD]
[TD]G[/TD]
[TD][/TD]
[TD]T[/TD]
[/TR]
[TR]
[TD]Z138.1[/TD]
[TD][/TD]
[TD]I1a2b[/TD]
[TD][/TD]
[TD]rs746300057[/TD]
[TD][/TD]
[TD="align: right"]15711340[/TD]
[TD][/TD]
[TD]C[/TD]
[TD][/TD]
[TD]G[/TD]
[/TR]
[/TABLE]