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A man has the a blood phenotype and his wife has the b blood

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They bring home a new baby from the hospital. On a visit to their doctor two weeks later they discover their baby has type O blood. How would you explain this? You should have paid attention in middle school biology class! The dad really has type BO blood and the mom has type AO. The O is recessive doesn't show up as often. The baby has type O because it's the one thing that the parents have in common.

If they keep having kids they will also most likely have one that has type AB, type A and another one with type B. Our blood type depends on the nature of the genes we inherit from our parents. Genes can either be dominant or recessive. Inorder for a person to have "O" type blood, two "O" type genes are required "OO". In the case when the baby inherits the recessive "O" gene from the father Blood type B and the recessive "O" gene from the mother Blood type Ait's blood group is determined by the two "OO" genes which give a blood type "O".

The mother could be A dominant but O ressesive and the father could be B dominant with O ressive. The child inheritted both the ressisive Gene. Giving birth to a new life is indeed a blessing which almost every woman would wish to have.

These reasons which stop a women from conceiving can be due to either physical reasons or truly physiological. The man had B-i and the Wife had A-i. That is, the man had B with recessive o, and the Wife had A with recessive o. The child got the o from each of them. Trending News. Autopsy confirms Naya Rivera's cause of death. Black man tests Georgia's 'stand your ground' law.

FDA warns of dozens more hand sanitizers to avoid. Megachurch reels after pastor's dark secret leaked. Will trademarking possible D. These 18 states have travel restrictions. AOC suggests crime spike linked to unemployment. Naya Rivera's selfless last act: Saving her son's life. President Trump's niece calls on him to step down. Answer Save. A baby inherits one gene per genetic characteristic from each parent.

How do you think about the answers? You can sign in to vote the answer. Still have questions? Get your answers by asking now.Table 1: The following tables give information on human blood types needed in problems below.

Alleles of types I A and I B are dominant over type i. A patient is rushed to the emergency room and has suffered severe blood loss. We can give him any kind of blood. Why is type AB called the universal recipient? A person who is AB positive has every kind of protein in his blood. There is nothing in any blood type that would be "foreign" to his body, so rejection is not a problem.

On the battlefield, a medic is treating a soldier who has lost a great deal of blood. They are out of blood typing supplies so the medic, who is Type O negative, simply donates his own blood to the patient. Why could this work? Why is Type O called the universal donor? A type O negative person has none of the proteins that can cause rejection in his blood, so his blood can be accepted by anyone.

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There is a practical joker in the maternity ward who removed all the baby id bracelets. There are three babies that cannot be easily distinguished and the parents want to be sure they get the right ones back so the doctors do a blood test.

A particular mom is homozygous type A and the dad is type O. The babies have blood types AB, A, and O. Show your work below and indicate which baby must be theirs. The police have rounded up the usual suspects in the latest rash of bookstore robberies. The thief got a nasty paper cut at the scene of the crime.

Child Blood Type Calculator – Know Your Baby's Blood Type

The blood at the crime scene contained i alleles. Which suspect therefore cannot have been involved? In a paternity case, a single mother claimed that a certain man was the father of her baby. The man denied it, claiming that her current boyfriend was the father. The court ordered a blood test much cheaper than DNA testing to see if he could be ruled out as the father.

The mother was Type O and the baby was Type O. The man was Type AB. Is it possible that he was the father? Why or why not? The man's genotype is I A I B and the mother's ii. The baby's genotype is also ii.

Blood Types 102: The Role of A, B, O, and AB Groups In Determining Paternity

This makes it impossible for the man with type AB blood to be the father of this child. Why is it that a blood type test can only disprove but never prove paternity? Why are DNA tests used to "prove" paternity instead?

A baby can, in some circumstances, have a blood type that could not possibly be produced by a mating of two particular individuals, as shown in the example above. This would be sufficient to disprove paternity.

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However, there are only a handful of blood types, and many people have them, so while there are cases where a man of a certain blood type could be the father of a child, so could anyone else with that same blood type.Our blood type calculator can help you discover it! While knowing the exact blood group of the unborn baby is not possible, this tool gives you a list of the blood types that baby likely to have.

Your child can have any of the possible blood types mentioned below:. Blood groups were discovered in the 20th century when Karl Landsteiner observed that the red blood cells RBCs had specific substances on their surfaces, which were later used to create blood types.

The two important blood group classifications in humans are the ABO and the Rh systems. Blood type A has the antigen A, blood type B has the B antigen, and O has no antigen on its surface 2.

Each of these groups is either Rh positive D or Rh negative, which means there are eight major blood groups in all. Knowledge of both these systems is essential for medical reasons, especially blood transfusions. The gene, ABO, determines this blood group system. The alleles A and B are considered codominant while O is considered to be the silent allele.

Each parent gives one of their two ABO alleles to the child 3. It is second most popular and also one of the complex blood types discovered by Landsteiner and Weiner in With this blood grouping system, eight blood types were formed. Yes, the child can have a blood type different from its parents.

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The blood type of a child depends on the blood type of both the parents. AB negative is the rarest blood type according to the American Red Cross.

It is even rarer in African Americans. Disclaimer: The child blood type calculator is based on theoretical principles. There is a chance that the blood type calculated here and the actual blood type of the baby are not the same. Possible Blood Type:. Blood Type Determination Blood groups were discovered in the 20th century when Karl Landsteiner observed that the red blood cells RBCs had specific substances on their surfaces, which were later used to create blood types.

Likewise, a father with O blood type can only pass O allele to the baby. If both parents belong to the blood group O, the child will also belong to the O blood group. Two A blood group parents can give their child either A or O blood group. Two B blood group parents can give their child either B or O blood group.

One parent with A and another with O will give their child either A or O blood group. Most Frequently Asked Questions 1. Can a child have different blood type than both parents? Which parent determines the blood type of the child? What is the rarest blood type?A man who has type A blood has the AO genotype. His wife, with type B blood, has the BO genotype. If you are talking about blood type only, then I assume you only want the phenotype but I'll show you the genotype too so it won't be confusing.

The children can be any of the following by chance:. Type A Ai genotype Note that textbooks usually use the letter "i" to indicate the O in the genotype.

All you have to do is cross them together one by one. A with B and A with i. Then, i with B and i with i. Each letter is one allele.

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Go practice some more. Trending News. Autopsy confirms Naya Rivera's cause of death.

a man has the a blood phenotype and his wife has the b blood

Photo of Ted Cruz on a plane with no mask goes viral. FDA warns of dozens more hand sanitizers to avoid. Black man tests Georgia's 'stand your ground' law. Will trademarking possible D. Megachurch reels after pastor's dark secret leaked. AOC suggests crime spike linked to unemployment. Naya Rivera's selfless last act: Saving her son's life.

These 18 states have travel restrictions. President Trump's niece calls on him to step down. Answer Save.

The children can be any of the following by chance: 1. Type AB AB genotype 2. Type B Bi genotype 4.Their son has the O blood phenotype. Could this man be the father of this child? Briefly explain your answer either way must show Punnett Square.

Yes, he could be the father of this child. If the son has the phenotype ABO blood group O we can readily know his genotype. He must be OO. Because he is OO he must have received an O allele from his biological father and an O allele from his biological mother. A man who is blood group B can be his father if his genotype is BO, which will give the phenotype B. This genotype gives her blood group A and means she has an O allele to pass on to her children.

Trending News. Autopsy confirms Naya Rivera's cause of death. Photo of Ted Cruz on a plane with no mask goes viral. FDA warns of dozens more hand sanitizers to avoid. Black man tests Georgia's 'stand your ground' law.

Will trademarking possible D. COVID vaccine yields promising results. Megachurch reels after pastor's dark secret leaked. Black CDC employees call out 'long-festering' racism. These 18 states have travel restrictions. Naya Rivera's selfless last act: Saving her son's life.Hello Doc, Is there any way of determining the father of a child before it is born?

Having a baby is a lifelong responsibility and hopefully an even greater reward — for somebody! Each time the baby moves or kicks, the bond between her and her child grows.

Depending on the situation, the father may be pretty sure that the child is his. For most of history, though, dads have had to rely on circumstantial evidence as the foundation on which to build this crucial relationship.

A fourth group — AB — was discovered a year later by another research team. For instance, if the parents both have blood type O, then the children must all have blood type O. If a child were to have blood type A, B, or AB, then the presumed father must not be the real father. These are general rules, though, and exceptions apply. Today there are over blood types known as well as other tissue types called HLA typeswhich can make paternity testing far more accurate — but still not perfect.

It is also now possible to determine the father before a baby is born. This is done by comparing DNA molecules — our genetic blueprints. You also need a small sample of amniotic fluid the water that the baby is floating in.

The amniotic fluid may be obtained by a process called amniocentesis. This procedure is performed no earlier than 13 weeks into the pregnancy. A court order or informed consent of all adults involved is required to proceed with paternity testing. You will need to wait 3 to 4 long weeks for the results. Waiting for these test results can be a very anxious time. Either way, if the test says that a man is not the father, then legally and truly he is not it can absolutely exclude some men as the father of a certain child.

If the test says that he is the father, then he probably is — there is about a DNA testing is now legally accepted as able to determine paternity. There are about one million two hundred eighteen thousand five hundred males in Jamaica as of A positive DNA paternity test could limit the potential fathers to only about 2, of them plus 0.

Only 2 out of men could possibly be the father. As you can see, a positive paternity test is good evidence, but not an ironclad guarantee. Prenatal paternity testing can be arranged through a company called Genelex, located in Seattle, Washington.

ABO blood type and Bombay blood type

They are very helpful, and can be reached at 1. If you wait until after the baby is born, DNA testing can be arranged through most local blood banks many of which use Genelex. The blood sample can be obtained at birth. Otherwise, the baby should be at least 2 months oldsince a fair amount of blood is needed for the test. I realize that the circumstances that prompt a person to undergo paternity testing are often difficult.

I hope that whatever you want turns out to be true. Even more, I hope that whatever turns out to be true becomes something that you learn to want. If a parent has type AB blood, they can not have a child with type O blood.

That parent can only have a child with type A or B blood, no matter the blood type of the other parent. Also, be aware, that blood types are often different than what they are thought to be.Most of us know our blood type.

a man has the a blood phenotype and his wife has the b blood

Have you ever wonder how did you get that blood type? What made your blood to be called as type A or B or O??

a man has the a blood phenotype and his wife has the b blood

When you have a cut or a wound, a red colour fluid Blood runs out of it. Everything looks same in color and smell for sure. Yet, it is differentiated into different types. Yes, blood is classified into different types according to the presence and absence of molecules called antigens. Antigens are either the proteins or complexes of sugar molecules which are called as polysaccharides. Blood group antigen proteins serve a variety of functions within the cell membrane of red blood cells.

These protein functions include transporting other proteins and molecules into and out of the cell, helps in maintaining cell structure, attaching to other cells and molecules and participating in chemical reactions. Apart from all these, the basic and major function of blood group antigen is to recognise foreign cells in the bloodstream. Whenever a blood group antigen recognizes foreign cells, it gives an immune response.

It produces antibodies against foreign cells which attacks and destroys them. So, Based on the presence and absence of polysaccharides on the surface of red blood cells, blood groups are classified into A, B, AB or O.

Neither the A nor the B type of polysaccharide is present. We should be able to derive the blood group of children provided we know the blood group of father and mother. Apart from that, there is one more protein that plays its crucial role in grouping of blood. That is Rh factor Rhesus D. If you liked this, rate this post and let us know your comments, suggestions!!

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A man has type B blood and his wife has type A blood.?

Understanding Blood Group Genotype 1. Here, A is codominance and O is recessive allele. Like this: Like Loading Biogenetics of Aquaponics : What you should know about aquaponics? Can an O positive mom and an O positive dad have a child with another blood-type? Do you know Bombay Blood Group? Science of Bio Genetics.

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