DNA Research #DNA Re: [query: Anyone else have mtDNA haplotype H with 3 C- mutations on 189, 356, 362] #dna


Bcg <bcg@...>
 

Hi Judy


Normally I would expect to get a private message of this type, but since it
was "launched" in the Jewishgen forum, I'm happy to respond here.

On the female side there is a standard that was established 0 years ago
called the Cambridge Reference Sequence that looks at 400 base pairs near
the end of the mitochronia, which is provided to each person, male or
female, by their mother.

the red letters on our reports indicate places on the Cambridge Reference
Sequence that you differ. If two people differ in exactly the same place
and with the same letter then they have a female ancestor in
common. Please with several deviations >from the Cambridge Reference
Sequence are probably more closely related then those that just have 1
deviation that is common to another person.

The way we might express these deviations would be 189C ad 311T (means that
you have a deviation form the Cambridge Reference Sequence in both position
189 an 311 and that the deviation was by a C and T respectively) in that
way you can compare yourself to another person.

In the near future we will have built a phylogenic tree, and or search
that will allow people to see if someone else in our database matches your
deviations form the Standard. That would mean that those (that) other
person is a genetic cousin on the female side.


Bennett Greenspan FTDNA Houston


At 03:39 PM 01/13/2001 -0800, you wrote:
I think you know more about this than I do.

My certificate has ten columns numbered ten thru one-hundred and each
column has four seperate series of letters. I have a red "c" at the
front of the last series on number 20. Does anyone else out there
have one of these?

What is the Cambridge Reference Sequence and where can I go to read
up on it?

I hope someone sees this letter.

Sincerely, Yudy



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Please check the DNA FAQ before writing,
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DNA Website: http://www.jewishgen.org/dna/

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Bennett Greenspan

"chance favors the educated mind"

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