Blood Type A And B Parents O Child

November 30, 2020

If a child were to have blood type a b or ab then the presumed father must not be the real father. It is biologically impossible for a man with b or o blood to have fathered this child.

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For example if the child is a and the mother is o the father must be a or ab.

Blood type a and b parents o child. For example two o blood type parents can produce a child with only o blood type. For example parents with ab and o blood types can either have children with blood type a or blood type b. It is only very rarely that they might have an ab or an o child see the links at the end for these exceptions.

Two parents with b blood type can produce a child with either b or o blood type. Read down the child s column and across the mother s row to find the green cell where they intersect. In most cases an o parent and an ab parent will have only a or b kids.

For example two o blood type parents can produce a child with only o blood type. One parent with a and another with b can produce a child with a b ab or o blood types. These two types are definitely different than parents blood types.

They will match both parents. The letters listed in that cell are the possible abo groups of the father. Alleles oa is 25 75 18 75.

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. One parent with a and another with b can produce a child with a b ab or o blood types. Two parents with a blood type can produce a child with either a 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. But two o parents for example will pretty much always have o kids. So allele a combined with allele o is type a.

Two parents with b blood type can produce a child with either b or o blood type. If the child s blood type were o then the presumed father might be the real father but so might millions of other men. The four blood groups a b ab and o develop when the child inherits one or more of the alleles a b or o.

The alleles a and b are considered codominant while o is considered to be the silent allele. Believe it or not in this case having a blood type different from either parent is by far the most common result. Similarly bo is type b aa is type a bb is type b oo is type o and ab is type ab.

Two parents with a blood type can produce a child with either a or o blood types. View all child parent pairings note. 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.

For instance if the parents both have blood type o then the children must all have blood type o.

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