yes. even though me and my 4 brothers look alike only 2 of us share the same blood group and both our parents are a-
if both parents have positive o blood their child must have positive o blood
No. If both parents are type O, the child will be O. If both are A, the child can be either A or O. If both are B, the child can be either B or O. If both are AB, the child can be A, B, or AB (but not O).
Yes, if both parents have the genotype AO, then the child can have the O from both parents, phenotype O
Yes, if both parents are AO genotype there is a 25% chance of the parents producing a type O child. Since both parents are Rh positive the probability of an Rh positive child in at least 75%.
No. If both parents are type O, the child will also be type O.
Yes, one or even both of his parents can be A positive.
A or O positive or negative
If they are both O negative, no, the child will be O negative.
yes
Yes. Since the Rh factor is recessive if both parents have a copy of the gene they can have an Rh negative child.
yes
yes.