[tri-med] Re: mosaic vs. full trisomy

Hi,
We have Stephen who has Trisomy 13 Mosaic.  We were told that 20 blood cells
were tested and that 10 came back with Trisomy 13 resulting in the Mosaic
diagnosis.

Gary (and Elizabeth) parents of Daniel (17), Michael (15), Joshua (13), Rachel
(10), John (9), Nathan (7), Esther (5) and Stephen (1) (T13 Mosaic born 10/5/04)

Katie Cragg wrote:

> Barb
> If I remember correctly, I think they only looked at like 60 cells or
> something like that. I think that was just a prelim. Test though. Not sure
> what they did for the "official" test. But, with those 1st 60-it already had
> come back that not all of the cells were affected...therefore they assumed
> Mitchell was mosaic. I'm guessing that if the full 60 came back all t13,
> they would've assumed he was "full t13". I am not a genetic expert at
> all...:) I wish I knew more. :) And understood more.
> Katie
> Mom to Mitchell t13 mosaic
>
> On 6/27/06 6:39 PM, "Barbara Farlow" <b_farlow@xxxxxxxxxxx> wrote:
>
> >  Any genetics experts out there? Does anyone know how many cells etc that
> > need to be counted to rule out mosaicism? Does anyone know from their own
> > testing? Just curious.   Thanks Barb  Mom to Annie  05/25/05-08/12/05
> >                   Building ___ooOOoo__ Rainbows
> >                        www.trisomyonline.org
> >                   Families Helping Families On-line
> >
>
>                   Building ___ooOOoo__ Rainbows
>                        www.trisomyonline.org
>                   Families Helping Families On-line


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                  Building ___ooOOoo__ Rainbows
                       www.trisomyonline.org
                  Families Helping Families On-line

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