what are two genotypes possible for a person who as a blood?
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If someone has blood type A, they must have at least one copy of the A allele, but they could have two copies. Their genotype is either AA or AO. Similarly, someone who is blood type B could have a genotype of either BB or BO. ... Someone with blood type AB must have both the A and B alleles.
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There are four ABO types: A, B, AB and O. Is one of the rarest blood types — only 6.6% of the US population has type O- Is a universal donor, meaning anyone can receive type O- blood products Is an ideal whole blood or double red blood cell donor.
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While a child could have the same blood type as one of his/her parents, it doesn't always happen that way. For example, parents with AB and O blood types can either have children with blood type A or blood type B. These two types are definitely different than parents' blood types!
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If a person has one copy of the sickle cell allele, half of their red blood cells will be misshapen. In this way, the allele is codominant, since both normal and sickled shapes are seen in the blood. But the allele can sometimes look recessive too.
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Just like eye or hair color, our blood type is inherited from our parents. Each biological parent donates one of two ABO genes to their child. The A and B genes are dominant and the O gene is recessive.
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A heterozygous individual is someone who has two different alleles at a locus. For instance, using the sickle cell example, a heterozygous individual might have a genotype of AS. A homozygous individual has two identical alleles at a locus. The genotype for a homozygous individual might be AA or SS.
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['Type A: This blood type has a marker known as A.', 'Type B: This blood type has a marker known as B.', 'Type AB: This blood type has both A and B markers.', 'Type O: This blood type has neither A or B markers.']
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ABO Blood Type Just like eye or hair color, our blood type is inherited from our parents. Each biological parent donates one of two ABO genes to their child. The A and B genes are dominant and the O gene is recessive. For example, if an O gene is paired with an A gene, the blood type will be A.
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A person with type O blood is a universal donor because it has both type of antibodies. A person with the Rh factor on their blood is Rh-positive. Since this person has the factor this person will not make anti-Rh antibodies.
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There are 4 main blood groups (types of blood) – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. Each group can be either RhD positive or RhD negative, which means in total there are 8 blood groups.
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Donors with blood type B... can donate to recipients with blood types B and AB. ... Donors with blood type O... can donate to recipients with blood types A, B, AB and O (O is the universal donor: donors with O blood are compatible with any other blood type)
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Since there are three different alleles, there are a total of six different genotypes at the human ABO genetic locus. The different possible genotypes are AA, AO, BB, BO, AB, and OO.
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Someone that has type A antigens and rH factor is considered to have type A+ blood. If you have both types of antigens and no rH factor, you have type AB- blood. If you have no A or B antigens then you are type O blood. All of this matters because of those antibodies your immune system creates.
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In codominance, two alleles are equally expressed in the phenotype of an organism. We can easily see this by looking at blood type. A person's blood type depends on the type of antigen their red blood cells have on their cell membranes.
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Identifying ABO blood types People with type A blood have the antigen A on the surface of their RBCs, while people with type B blood have the B antigen. Individuals with type AB blood have both A and B antigens, whereas people with type O blood have no antigens present (there is no antigen O).
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Individuals with type AB blood have both A and B antigens, whereas people with type O blood have no antigens present (there is no antigen O).
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People with B blood type are thoughtful and empathetic towards others and make good and reliable friends. These people also face a lot of discrimination because of their negative personality traits such as selfishness and being uncooperative at times.