of the parental of the paternal DNA and a phase kit of the
are the ones that we want to focus on and the comparison
kit, you can watch this video up here and if you want to
matches of those to figure out who matches this deceased
to get to with comparisons between siblings and children
something else about DNA, then you can watch this video down
between them is going to tell us which DNA we have and which
for that deceased ancestor. Now, you can improve this in a
parent, you can start to look at where they line up to
understand what DNA they share and then start looking at the
to the siblings you can compare the phased kit that paternal
two children and four siblings we can find about 83% of DNA
relatives in lieu of their DNA which we don't have. Children
children of that parent and you have some siblings of that
point adding extra siblings is not going to significantly
we're combining those and also looking at what is not shared
matches might help us identify more information about that
ancestor. Now, if you would like to learn how to phase a
have DNA from one parent but not the other and you have some
accurate representation of where that shared DNA is. Again
their siblings DNA. That was a unique part that they inherited
that means if we're looking at the shared match lists and
were just below 50% we had a pretty big jump up by adding
and siblings share the most DNA with any person and so these
maternal DNA. Instead of comparing just the child's kit
amount goes up starts to decrease and so we started off
though the number of combinations increases the
we can use and this is one of them is using some other close
that second sibling we still had a good jump adding that
mother in this case on Jed Match you can actually phase
kit to the siblings. And that's going to give you a more
all throughout the chromosomes both big and small that are
and two children, we can identify about 66% about 2/ 3
third sibling but by the time we added that four sibling it
then we should be able to come up with about 80% or so of the
matches for that deceased person likewise another way is
for deceased people there are some different techniques that
what you might notice is the amount that it goes up even
increase the amount of DNA that you find so if you have five or
get about 66, about 2/ 3 of the DNA already. That's pretty good
comparing the children's DNA to the siblings DNA. In other
much more. You might be able to get to 90%, maybe even as much
maternal chromosomes. For right now, ignore that. I'm just
as 95% if you had four children and five or six or seven
this, you'll see that there are some sections of this DNA that
let's take a look. What I did is I have different family
actually get almost to 50%, 45% of the DNA just from adding
siblings, you might be able to get that much. If we look at
the other side of the family then by comparing the children
sibling that goes up to almost 80% So we have two children and
able to separate out which is maternal and which is paternal
because it doesn't exist and so you're never going to get to
parent did not inherit any of that DNA that is similar to
of the DNA of that deceased parent. If we then add a third
you're adding more children, you're not going to see that
chromosome number one, this is likely that this deceased
three siblings. We're at 79% of DNA. And I've added a fourth
we simply are not going to have. For instance, here on
children. I'm at 83%. Now as you've been looking at this
some siblings and it doesn't matter right now whether it's
and we add another child. So, two children, one sibling, we
just have one child and one sibling for this. If we then go
was actually really small only about a 4% increase and at this
at just below with with two children with one sibling we
represent maternal and paternal in this case. So, two siblings
from just two siblings and two children. Now, I'm using DNA
showing the different siblings and the different children on
different chromosomes. Not showing paternal and maternal.
profile of this deceased person. Now, the best
deceased ancestor. So, if you in this situation where you
to separate out into maternal and paternal but it's does not
but in order to get the numbers to calculate correctly, I had
painter and one thing you'll, for those of you who've used
basically, there's four comparisons going on here. We
sibling. So I've got four siblings and I've got two
100%. I've not done studies but I would guess that probably
another child. Now, if we then go and we add a second
couple of ways. First off, since you know that hey, with
those kits for the children so that you now have a phase kit
The one difficulty with this is this comparison is you're not
if you have the DNA of the other parent we'll say the
around 90 to 95% is the extent of what you're going to be able
we're looking down here, there's actually several places
siblings. Now, we have two children and two siblings. So,
going to find DNA in that section and you can see as
and so there's no comparison of their children that's ever
like that. Areas where we're just not go to find the DNA
this before is DNA painters divided up into paternal and
from the same person and as long as they're not related to
two children, having more than two siblings is even better but
painter to show. It's about 21% of the DNA we can get if you
going to assume that both of their parents have died as
sibling and it's about 21% and I just painted this on DNA
to the siblings, we're seeing what DNA deceased parent had.
expect that you're going to see that much more Likewise, if
six or seven siblings I'm not saying don't do it just don't
words, the children got their DNA from both their mother and
what? This father
father but the siblings and the deceased parent got their DNA
So, we'll start off with here with just one child and one
So dealing with a deceased parent these are the
members and I looked at some children and some siblings to
as you'll see, there's a limit to how much better it is. So,
see how much DNA we might share in common and that's by
parent and that's 50%. These two relationships, children and
each one of their parents. And siblings also share 50% of
going to assume that because they're deceased their parents
people have already died and we're just not going to be able
two children and at least two siblings. So, having more than
same grandparents up here. So, by using these two groups of
combination and There's some caveats here is having at least
deceased parent because they all receive their DNA from the
people, we can get a pretty good approximation of the DNA
siblings over here also share 50% of DNA from with that
share 50% of their DNA from that deceased parent but these
well. What we just talked about is that these children, they
this person has died and so we can't get their DNA and we're
siblings. So, if we look at whose DNA we have, we know that
deceased parent. Let's draw out just real quickly what we're
one, two, three, or four siblings but they just had some
we'll just say two children but we'll also say that you know
talking about here. So, I have a father and a mother who had,
there's overlap between how much DNA they got from each
relationships you want to look at in place of the DNA for them
a different 50% than their siblings but they get 50% from
siblings are the most shared DNA that you're going to find.
their DNA with each other. They got DNA from both of their
parents and since they both shared parents in common
receives 50% of their DNA from each parent. Now each child has
are deceased also. We start with their children. Each child
who shares the most DNA with this deceased parent and I'm
start by going over some basics. First off if we look at
to fix out what this parent's DNA profile might be. Now let's
test to represent a deceased parent? We want to talk about
to this. That is pretty important, I think. Who should the day and how you might be able to use some DNA in order
Ideally, we'd have everybody get their DNA tested but that's
to get their DNA. I had a viewer ask a question related
not always the case. Some people don't want to. Some
below.