Genotypes For All Blood Types

December 25, 2020

Blood type ab blood group ab has genotype ab antigens a and b no antibodies. There are four possible blood types and six possible genotypes.

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A person with blood type b could have the genotype bb or bo.

Genotypes for all blood types. These rare phenotypes break standard 4 type rules for example ax o genotype could be both type a or type o. They are distinguished based on the alleles that a person has. Relationship between blood types and genotypes.

A b o and ab. Blood type a has genotype aa or ao antigens on the red blood cells are a and b antibodies in blood plasma. There are six possible genotypes genetic makeup of inherited alleles and four phenotypes expressed physical trait for human abo blood types.

There are six types of genotype in human beings and they result in some of the physical characteristics of a person. Individuals have blood type b if their. When both inherited alleles are o the genotype is homozygous recessive and the blood type is o.

The various genotypes result in four different phenotypes or blood types. The a and b alleles are dominant to the o allele. As a result you can have blood type a or b either by inheriting two copies of the a or b allele or by inheriting one copy of the a or b allele and one copy of the o allele.

A person with blood type a could have the genotype aa or ao. While blood types a and b are codominant to each other they are both dominant to the o allele. 21 crosses could be many more if you considered minor types as a2 a3 b3 or hybrid alleles as ax bx or chimera ab alleles as cis ab b a.

Blood types a and b are codominant to each other meaning that if a person inherits the a allele from one parent and the b allele from the other parent both traits will be expressed and the offspring will have ab blood type. What exactly is a rhesus factor. Blood type o has genotype oo no antigens on red blood cells but has both antibodies a and b.

It depends if you talk about genetcis or blood compatibility. Individuals have blood type a if their genotypes are aa or ao.

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