you can find out about upcoming eConferences that we're
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Don't forget to subscribe so that you won't miss another
location you're going to be RH positive. If you have two Cs,
However, if you have Cs on both of your genes, then, you're
or not you are RH positive or negative well in 23 and me you
of your genes, then, you're going to be RH positive.
this RHD gene is about 58000 letters long and if you
important one is RHD which is on chromosome number one. Now,
them is on chromo number fifteen but like I said, the
But there's also RHAG, RHBG, RHCG, and RHCE. Now these five
Reese's and so use the same terminology called it the RH
two decades so we kept that terminology and we changed the
realized that the serum in the recess monkey was actually
cells and it used some serum from Reese's monkeys with some
you're going to be RH negative and that's a little bit more
episode of Family History Fanatics. Be sure to check out
where did this come from? Well, the RH actually stand for
other experiments that were done on humans that also
going to be RH negative. So, now, that you know the snip can
about the RH blood group and how we can see it in genetics.
negative. Now, that snip is called RS five nine zero seven
RH positive or RH negative and just like the difference
that will indicate whether you're RH positive or RH
they've tested for it if they have and you have a T in that
groups. Now, the majority of em don't matter for most of the
eight seven and if you have a T in that location on either one
you've tested with family tree DNA or with ancestry or with my
heritage use that RS590787 to look up that snip and see if
looked into any of the other test but you can do that if
only 1000 letters long. So, this is much longer and
can't that's not one of the snips they test for I haven't
actually a much more complex protein than the ABO protein.
you look it up and actually see from your genetic test whether
So, then, we get into the classification whether you are
Howdy, I'm Andy Lee with Family History Fanatics and this is a
on chromosome one. One of them is on chromosome six and one of
point nine% the same, I use the example of ABO blood groups.
remember the video about the ABO blood group, that gene is
different in makeup than the RH factor that was being used and
genes aren't even right next to each other. Three of them are
that control the overall RH factor. The major one is RHD.
way we've already been using the RH factor for humans for
between blood group A and blood group O, there's a single snip which is controlled by one gene there's actually five genes
So, if you watch this video about how we're ninety-nine
where the RH factor comes from. Now unlike the ABO blood group
classified in humans however because science is funny that
terminology that were used in recess monkeys. So that is
experiments had to do with clumping together of blood
scientist and they remembered these experiments from the
things that we do medical wise but they all play a role in
classifying our blood and one of those is the RH or that
factor the recess factor 2 decades after that it was
done about 80 years ago on recess monkeys now those
involved this clumping together of blood cells by the same
rabbits or mice. Now a few years later there were some
was a med tech and so she actually taught us little about
recess factor and it is from a set of experiments that was
negative or positive that we have on our blood group. So,
or not we can see that in genetics as well.
actually more than two or three dozen different types of blood
this. It's not as simple as a positive A negative. There's
Now, a question came up about the RH blood group and whether
segment of DNA. Our blood is really complicated. Now, my mom
going to be a part of.