Dating Mutations

Mutation Dating

I was referring to Y-DNA dating. The person concerned has recently (after I posted my message in this forum) told me that his method is based on a method introduced by Ken Nordvedt.

[rucksack]

zohrab,

It would be helpful if we knew whether or not you are referring to mtDNA or Y-DNA.

[Jim Honeychuck]

I am a member of three projects, and was discussing one particular issue with the leader of one of those projects. He disagreed with one idea I put forward, saying that it didn't fit in with his dates for the mutations concerned.

So I asked him what his dates were and how he arrived at them, but he did not reply.

That was very frustrating.

Question: How does one date mutations? Where can I read up on this issue?

Thank you in advance.

Well, the start of an answer is that various markers mutate at rates which are generally agreed: http://www.kerchner.com/dnamutationrates.htm

If you have two sets of Y-DNA which differ on only one marker, you can get an estimate of how long ago the sets were identical at: http://dna-project.clan-donald-usa.org/tmrca.htm

Regards,
Jim

I am a member of three projects, and was discussing one particular issue with the leader of one of those projects. He disagreed with one idea I put forward, saying that it didn't fit in with his dates for the mutations concerned.

So I asked him what his dates were and how he arrived at them, but he did not reply.

That was very frustrating.

Question: How does one date mutations? Where can I read up on this issue?

Thank you in advance.