Focusing on the history of the Wrexham area, the team are particularly keen to meet people with ancestry in north east Wales, Cheshire or Shropshire. There will also be an opportunity to contribute your own DNA sample to the project should you wish.'Extraordinary' genetic make-up of north east Wales men
Experts are asking people from north east Wales to provide a DNA sample to discover why those from the area carry rare genetic make-up.
So far, 500 people have taken part in the study which shows 30% of men carry an unusual type of Y chromosome, compared to 1% of men elsewhere the UK.
Common in Mediterranean men, it was initially thought to suggest Bronze Age migrants 4,000 years ago.
Dr Grierson is leading the talk at Glyndŵr University on Tuesday and wants to speak to people with ancestry in the region to discover what is known about their family history - and to provide them with an opportunity to contribute a DNA sample to the project.
"The number of people in the north east Wales with this genetic makeup is quite extraordinary," he said.
"This type of genetic makeup is usually found in the eastern Mediterranean which made us think that there might have been strong connections between north east Wales and this part of Europe somewhere in the past.
"But this appears not to be the case, so we're still looking to find out why it's happened and what it reveals about the history of the region."