My daughter has a 4 blood group. what blood type can his parents have? what kind of gene interaction is observed here?
| January 20, 2021 | education
There are 4 blood groups according to the AB0 system:
carriers of the first have genotype I0I0
the second is IAIA or IAI0
third -IBIB or IBI00
4th – IAIB
The fourth group is the rarest. One parent must have at least one IA allele, the other – IB.
Thus, one of the parents should have the second group, the other – the third, both parents should have the fourth blood group, or one of the fourth, the other – the second or third.
This inheritance is called codification.
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