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The answer is yes, the parents have to be heterozygous in this case. which means (B,b). The B is the dominant trait, so it masks the recessive one (b).
In other words, B is the b+ genotype while the b is the o+ blood type.
If you draw a punnet square label the top and side with the heterozygous term. (B.b)
4 outcomes are possible (remember other factors will change the outcome.)
(B,B) (B,b) (B,b) (b,b)
The (b,b) offspring is recessive and has the O+ blood type
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∙ 12y ago
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Can parents with b negative blood have a child with o positive blood?
If both parents are B- they can only have children who are B- and O-. One would have to be positive in order to have a child with positive blood.
Can parents with a positive blood have b positive child?
If they both have type A blood, they cannot have a child type B.
Can O positive blood group and B positive blood group parents have child?
Yes, blood type has no bearing on weather or not the parents can have a child
Can parents with b positive and a negative blood have a child with o positive blood?
Yes, you very much can have a child with O positive blood.
Can parents with b positive and o positive blood have a child with b negative blood?
yes it can be possible too as the parents is already with an o blood group..
Can parents who have B negative and O positive blood types have a child with B positive blood?
Yes. They can have B+, B-, O+, and O-.
What type blood do parents have to have for their child to have ab positive blood?
A & B + respectively
Can parents who have B negative and O positive blood types have a child with O positive blood?
No, they will have a O negative child.
Can parents both blood type b positive have a child with blood type ab positive?
possibility of b or o not ab
How can a child's blood type be b positive if mom is b positive and dad is a positive?
You could have several children with different blood types. you get your blood type from either parents or even grand parents.
Can a mother have B positive and father have B positive and have an O positive baby?
Yes it is possible for both B blood type parents to have a child with O blood type. Aside from O, they can also have a child with B blood type.
Can baby have O positive if mother is B positive and father is A positive?
Yes, for parents with blood type A and B, the child can have blood types A, B, AB, or O
