GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2007-02 > 1171579711


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] TMRCA
Date: Thu, 15 Feb 2007 15:48:31 -0700
References: <200702152233.l1FMWhHq031780@mail.rootsweb.com>


What has a "predicted mutation rate of .0002"? Maybe my old pal DYS455?

7 1/2 times larger is not the same as 100 times larger. I wish to point out
nothing more than mutation rate for 391 is thought to be .00265 and
mutation rate for 458 is thought to be .00814


----- Original Message -----
From: "Roberta J. Estes" <>
To: <>
Sent: Thursday, February 15, 2007 3:32 PM
Subject: Re: [DNA] TMRCA


> 1/400= 0.0025
> 3/160 would be the same as 7.5/400, which is vastly larger than 1/400,
> seven
> and a half times larger.
> 3/160= 0.0188 whichis 1.88% which I rounded to 2
> 8/160= 0.05 which is 5% exactly
>
> I don't see any extra zeros. Where are they?
>
> The predicted mutation rate of 0.0002 (2%) times 100 equals 0.02,
> according
> to my calculator, unless there is something logically wrong and not
> mathematically wrong.
>
> I used the same math equations for the rest.
>
> Is there something logically wrong? I think the math is correct.
>
> Roberta
>
>
>
> -----Original Message-----
> From:
> [mailto:] On Behalf Of Ken Nordtvedt
> Sent: Thursday, February 15, 2007 5:10 PM
> To:
> Subject: Re: [DNA] TMRCA
>
> I think 1/400 is in the ball park of average rate, at least that's what I
> use for back of the envelope estimates.
>
> 1/400 = .0025, so I think you got extra zeros in your rates.
>
>
>
>
>
> -------------------------------
> To unsubscribe from the list, please send an email to
> with the word 'unsubscribe' without the
> quotes in the subject and the body of the message
>


This thread: