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Identical twins different blood

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#1 Identical twins different blood

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Identical twins different blood

Yes definitely if they are fraternal twins and, although much less common, it is also even possible if they are identical twins. In fact mom, dad and twins could all end up with different blood types! Each of these twins is the result of a separate egg being fertilized by a separate sperm. So whatever is true Identical twins different blood brothers and sisters, is true for fraternal twins too. And since brothers and sisters can have different Identical twins different blood types, so too can Idehtical twins. It is a different story if the twins are Identical twins different blood. Identical twins come from the same egg and the same sperm and so share nearly identical DNA. Small changes in DNA can Asian men lack in testostorone do happen so identical twins do have a few differences. What makes them having different blood types so rare bloov that the changes have to be in just the right place out of over six billion different possible places. The odds are very much against this happening but still, it is theoretically possible. That will explain how fraternal twins might have different blood types. Then I will give an example about how identical twins might have different blood types. What blood type you have is determined by your genes. For the discussion here we will focus on the ABO gene. There are other genes involved in you having positive or negative blood, the Duffy blood type and so on. Our discussion here for the ABO gene works for these other blood types as well. To understand how this makes four different blood types, we need to remember one more thing—we have two copies of each of our genes, one from mom and one from dad. This is true of the ABO...

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We make our world significant by the courage of our questions and by the depth of our answers. Human Body Can identical twins have different blood types? Can identical twins have different blood types? Bar any de novo mutation in either twin, they will have the same bloodtype. Identical twins have, for the purposes of this query at least, the same DNA. So unless one of the zygotes gets a mutation in the gene encoding any of the sugars or proteins that give rise to different blood types, they will have the same. The chances of such a mutation occuring in exactly the right gene out of the billions of base pairs is rather small. While their genetics are identical, receiving a bone marrow transplant changes the blood type of the recipient to match the donor's. So if out of identical twins one of them received a bone marrow transplant from a non-type specific donor, they would have different blood types! This is somewhat hypothetical as in actual clinical practice, there would have to be a very good reason that the bone marrow donor wouldn't simply be the other twin. But it is possible. Use of this site constitutes acceptance of our User Agreement and Privacy Policy. Log in or sign up in seconds. Ask a science question. Outstanding posts recognized by the mod team Weekly Features: Are you a science expert? Sign up to be a panelist! Welcome to Reddit, the front page of the internet. Become a Redditor and subscribe to one of thousands of communities. I know fraternal twins can, but I've never heard one way or another about identical twins. Want to add to the discussion? But it is incredibly unlikely. Earth and Planetary Sciences.

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But just how identical are identical twins? Do they share any other similarities beyond just looking alike? Do twins have the same blood type? What actually causes this to happen? Identical twins on the other hand come from one egg and sperm, which splits early on in the pregnancy into two embryos, which then go on to form your twins. Because they come from the same egg and sperm, identical twins start their lives with identical chromosomal and genetic patterning, so the building blocks that make them up will be exactly the same. This is why identical twins are never exactly the same , and why in some cases you can get really weird occurrences, like identical twins with different colored eyes or hair. Blood type is entirely determined by DNA, so identical twins pretty much always have the same blood type. The pattern of blood vessels in your retina is partially genetically determined, but is also incredibly complicated and unique to each person, because of the web of capillaries that make up the patterns on your retina. The answer is actually yes and no. As babies move around in the womb and touch the walls of the amniotic sac, it affects their fingertips, and this is where fingerprints are finalised. But new research shows that all of this may be a lie. Genetic variations occur throughout our entire lives, whenever DNA breaks after exposure to ionizing radiation and carcinogens. This could even be the reason why identical twins start off being so similar and slowly end up looking different over time. So now you know. If you ever meet a pair of identical twins and you need a foolproof way to tell them apart, grab your retinal scanner or a fingerprint kit! How do you tell your twins apart?...

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Momoi, Sadahiko Iwamoto; Blood chimerism in monochorionic twins conceived by induced ovulation: A case of monochorionic twin boys delivered at 34 weeks of gestation following induced ovulation with clomiphene is described. One twin was typed as blood group AB and the other as B. Flow cytometry showed blood group chimerism. DNA polymorphism analysis of peripheral lymphocytes and hair root cells showed that the chimerism was confined to the blood cells and they were dizygotic. Most users should sign in with their email address. If you originally registered with a username please use that to sign in. To purchase short term access, please sign in to your Oxford Academic account above. Don't already have an Oxford Academic account? Oxford University Press is a department of the University of Oxford. It furthers the University's objective of excellence in research, scholarship, and education by publishing worldwide. Sign In or Create an Account. Close mobile search navigation Article navigation. Blood chimerism in monochorionic twins conceived by induced ovulation: Case report Rika Aoki. Abstract A case of monochorionic twin boys delivered at 34 weeks of gestation following induced ovulation with clomiphene is described. For Permissions, please email: You do not currently have access to this article. You could not be signed in. Sign In Forgot password? Don't have an account? Sign in via your Institution Sign in. Purchase Subscription prices and ordering Short-term Access To purchase short term access, please sign in to your Oxford Academic account above. This article is also available for rental through DeepDyve. Email alerts New issue alert. Receive exclusive offers and updates from Oxford Academic. High risk pregnancies in hypopituitary women. Predicting ongoing pregnancy following ovulation induction with recombinant FSH in women with polycystic ovary syndrome. Pure FSH for ovulation induction in patients with polycystic ovary syndrome and resistant to...

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Identical Twins Home Vocabulary Citations. This factor does not affect humans in any way and will not affect the lifestyle of anyone. He was in the process of learning about blood transfusions. He was puzzled as to why sometimes these transfusions cause people to die and why at other times it saves peoples lives. In , Landsteiner received a Nobel Peace Prize in honor of his contribution to medical history and for his discovery of various blood types. The reason some people were rejecting the blood was because these antibodies cannot mix. If they do, the current blood in the body will reject the new blood and because the blood cells are fighting off the new blood, health effects occur because of the change in blood type. A antigen and B antibody Type B Blood: A and B antigens, but no antibodies Type O Blood: Antigens are proteins in the blood and fight off other antigens if they are exposed to them. The original proteins on the red blood cells attack the alien proteins and try to kill them so that the blood does not get infected or has any other further complications. After looking at the blood types above, you can see that the different blood types are unique and have differing characteristics. You may wonder if because these blood types have different parts, can they mix? The answer to that is yes, sometimes, but not all of the time. A can give to A, AB 2. B can give to B, AB 3. AB can give to only AB 4. Do you know what it means to be co-dominant? Let me explain this for you: Both of these characteristics show up in the phenotype the blood type. That is pretty weird knowing that type O blood is most...

Identical twins different blood

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The short answer. Yes. Blood type is entirely determined by DNA, so identical twins pretty much always have the same blood type. But because of the small changes in DNA that can happen in the womb, it's entirely possible for twins to have different blood types from each other. Bar any de novo mutation in either twin, they will have the same bloodtype. Identical twins have, for the purposes of this query at least, the same. HLA typing was identical in both twins. However, DNA polymorphism analysis showed that five loci out of nine were different in peripheral lymphocytes and hair.

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