Blood Type Ab And O Parents

December 15, 2020

The a and b are dominant and o is recessive. There is a phenomenon called cisab where both the a and the b are encoded into one allele.

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Two parents with a blood type can produce a child with either a or o blood types.

Blood type ab and o parents. For example two o blood type parents can produce a child with only o blood type. Two parents with b blood type can produce a child with either b or o blood type. Two parents with a blood type can produce a child with either a or o blood types.

Two parents with b blood type can produce a child with either b or o blood type. Likewise a father with o blood type can only pass o allele to the baby. One parent with a and another with b can produce a child with a b ab or o blood types.

So if for example you are cisab o partnering with a blood type o can result in offspring being either cisab o with phenotype ab or blood type o. If this is the case there is the possibility that the baby has type o blood. Similarly bo is type b aa is type a bb is type b oo is type o and ab is type ab.

A curious adult from california august 16 2017 believe it or not in this case having a blood type different from either parent is by far the most common result. For example two o blood type parents can produce a child with only o blood type. There are 4 main blood groups types of blood a b ab and o.

The claim that blood type ab people cannot have blood type o offspring and vice versa is false. Your blood group is determined by the genes you inherit from your parents. View all child parent pairings note.

Since type o is recessive hidden and type b is dominant the baby most likely has type b blood unless the parent with type b blood also has an allele form of a gene for o blood bo in the punnett square. In most cases an o parent and an ab parent will have only a or b kids. If both parents belong to the blood group o the child will also belong to the o blood group.

Mother with ab blood type can either pass the a or b allele to the baby. One parent with a and another with b can produce a child with a b ab or o blood types. Whether your blood group is type a b ab or o is based on the blood types of your mother and father.

So allele a combined with allele o is type a. If both parents have type a blood then the alleles could be aa or ao thus the allele a frequency is 75 allele o frequency is 25 for both parents. Each group can be either rhd positive or rhd negative which means in total there are 8 blood groups.

Two a blood group parents can give their child either a or o blood group. If you have questions about paternity testing or about blood group inheritance your primary care physician should be able to provide you with an appropriate referral.

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