have this playlist of how to use several different tools
up here and if you have any questions about GEDmatch I
where along the genome it is and comparing yourself to them
those traits that are defined by a single gene by finding out
it's at. You have to use some graphics and make some
O gene and an aging just like me. On the other hand, if it
segment and see whether or not you are a half match or a full
be $136 million 136, 000 and it's right where I want to be
whether they're just a half or whether they're potentially a
full match with us. On our one to one, we put in the two kits.
segments with. So, we don't have all 22 chromosomes. We're
resolution so we can see specifically at that location
you want to learn more about the ABO blood type and how you
as more and more people do things like visual phasing and
as me they have type A blood again you can try this with
narrow band and I think that's the one I'm going to take a
135 million and as I go down and look There's actually a
Here's another one from 135 to 137. So, it's just a very
the segment that I defined, they match in. So, as I'm going
very closely related to me, their kits that I have. I go
people all match in that segment. It doesn't mean that
they match across the entire segment just that some part of
match that segment Here is the match list. Now, again, these
they might still be an A but they might be an AA or they
hey, that's actually pretty difficult to try to narrow down
actually are an AO so they are a type A blood but they have an
big section of green that really overlaps the area that
you're looking at these single traits, you'll actually have a
we're looking for? If we go back to the twentythree and me
this point right here. Now what is the exact position that
hard breaks. Then we click on submit. I've zoomed in on
we're going to use the 1 to one comparison. The key with the
list of people that we want to compare ourselves to. Now,
look at. We've finished the segment search and we found a
they might show up, it's not definitive. Sometimes, when
already been deceased I think this is a gray technology to be
this is 137 million so 100halfway is about right here
can find it on your genes then why don't you watch this video
raw data it says 136 million 132000 so this is 136 million
that and yeah, it is. Um you don't have access to the other
person's raw data. So, you can't pinpoint exactly where
might be an O blood type and BOO. So, you may be thinking,
in this green and that this person has the same blood type
assumptions so in this case I'm just going to assume that it's
using build number 37 if I was using build number 38, then I
that would be 136. 5 million and right about here would be
you want. In this case, it might be in this big section of
this is going to start at the carrot right here. We count
able to start to infer what those characteristics that they
may have had even if you don't have access to that raw data if
we start reconstructing some of the genomes of people that have
calculate for a minute or so to find all those matches that
would want to do the 133 to 134 132 to 134 so I have a very
is the most important thing and that is to click on the full
resolution so that you can actually narrow in on that
ends up hitting in one of these this yellow part right here,
only want to display the chromosomes that we match
centimorgans as opposed to just seven centimorgans and I don't
in GEDmatch. Now, this is a tier one tool but it will allow
couple of promising kits here. Here is one at 133 to 137.
you might want to actually change the snip count or the
us to find all of the matches that matches in this general
one, two, three, four, five, six. So 136 million starts at
10236 million and 250, 000 and somewhere right in here would
looking. Now, because of the amount of yellows and where
green in which case this person is the same blood type and they
further down this ends at 1 35 million. I don't want those.
down and looking at this, these first few people are actually
that cross over this narrow range now it's going to
narrow range which means it is only going to look for matches
$135 million and 137 million and again this is because I'm
chromosome number nine and we want position 136 million. So
look on chromosome number nine. Next, I'm going to put in that
located. We found the location of our trait. We want to go on
Snipedia that snip is actually under build thirty-eight. So,
reporting this in build thirty-seven and if we go to
in that position. And then finally we want to eliminate
minimum size. I'm going to change the size down to three
We want to take a look at the graphics and positions but we
probably just going to have one or maybe two chromosomes. Next
kits. I'm just going to leave it at a thousand. This is where
one to one comparison is we want to actually use the full
over to Snipedia and we scroll down, we can see that
is where it's important to take a look at things. If we go back
O because you have to have two O's. I know what the snip is, I
actually see, hey, there is this snip RS817-6719 that is
information on the website. As we readdown about ABO, we
Here's one at one forty1 million. Here's some more at
that it is at 136 million 200, 000 or So I'm going to put in
want to look at all of the chromosomes. I only want to
deletion on one of my chromosomes and a C on the
location and I want to actually be very narrow because I know
have an A and an O. So, knowing this, if there are any matches
either a deletion or a letter C and in my case, I have a
whereas twenty-three and me says a hundred and thirty-six
going to look and tell me, hey, this is on chromosome number
nine and here is your snip information. Says it can have
area. So, on the segment tool. I'm going to enter in my kit
number and it's going to ask me what's the maximum number of
now to step number two which is to use the segment search tool
we want to use the 136 million as the place where this snip is
million what's happening is twenty-three and me is
you are going to have O on that gene as opposed to A. So,
what determines the change from blood type A to blood type O.
know what chromosome it's on, I it is at 136 million. Now, this
It's basically a single snip that if it has been deleted,
gene snip here has a location of 133 million for this snip
going to be the blood group snips. Now, there might be
type A with you maybe AB but they're not going to be A type
you might have AA in which case if you have somebody that's
just a half match, then, they're going to have blood
they also have that AO and depending on your blood type,
We can go up to the search box and type in ABO, ABO and that's
several of those but there's going to be some more
that match me at this specific location fully matched, then,
the same blood type as us. In order to find what gene a
other chromosome which means I have blood type A because I
makes that easy for you. I can just put that snip in and it's
you're going to have to search through the raw data. 23 and me
finding out whether or not the company is tested with that,
there are some traits that are defined by a single gene. For
in order to see if we can find other matches that might have
DNA. The first step is that we need to find the specific
instance, we're going to use the blood group gene ABO today
found and in this case, searching can be really simple.
has information basically about all the snips that have been
specific trait is on, I like to go to Snipedia. Now, Snippedia
lot of genes that interact to form those traits. However,
a single gene in our chromosomes. There's actually a
certain traits are about other people. Now, this can be really
most traits and medical conditions are not dependent on
location of a trait. Now it's important to recognize that
that come from various ancestors. You might be able to
chromosome painting. You've mapped out certain DNA segments
deduce certain traits about those ancestors just from that
you've mapped out different ancestors or just with
Howdy, I'm Andy Lee with Family History Fanatics where we help your ancestor stories along the way. Today, we're going to be
DNA is very useful for identifying people both living
from GEDmatch
useful if you have done things like visual phasing where
looking at how you can use your match data to infer what
you understand your DNA, climb your family tree, and write
that you share with them?
specific information about your matches just based on the DNA
and deceased but have you ever wondered, can you find out