Respuesta :
Answer:
she either has aB or aa blood as, see must have one a allele in order to pass it down to the child (offspring)
Explanation:
The possible phenotype of the mother is either AB or B.
What is blood type?
Blood type refers to classification of blood that have alleles which can be dominant and recessive and base on presence or absence of antibodies and antigens.
Therefore, The possible phenotype of the mother is either AB or B.
Learn more about blood type below.
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