No. In order to have an O child, both parents must have a genotype of at least iAi or iBi. If you're AB blood type, then the genotype is iAiB has no space for O gene to come about.
Yes, the man could be the father of the child. A child with blood type O can inherit the O allele from both parents. In this case, the man with blood type B could have passed on an O allele, resulting in the child having blood type O.
Yes, as long as the mother has a strong A blood type
no
No he could however be the father of the type a child
Yes, a man with blood type B and a woman with blood type AB can have a child with blood type B. The child would inherit one allele for blood type B from the father and either an A or B allele from the mother. The child's blood type could be either B or AB.
No, the child has to have one of the parents blood type.
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A man with any blood type by AB can father a child with type O blood. A parent heterozygous for type A or B may have a child with type O.
Yes, it is possible for a blood type B negative man to father a blood type A positive child. The ABO blood type system is inherited from both parents, with each parent passing on one of their two ABO genes to their child. This means that the child could inherit an A gene from the mother and a B gene from the father, resulting in a blood type of A positive.
Yes, an individual with blood type B can produce an offspring with blood type A. The explanation for this is that a mother with the blood type A can have a child with a father who has a blood type of A or AB and produce a child with type A blood.
Yes it is possible. Blood type O is recessive. So it is true that the child would need an OO blood type. But if the mother is OO and the father is BO..... Then in this case the mother would contribute an "O" and the father a B or an O. If the father contributes an O then the child will be type O. Of course in order for this to happen the father must be heterozygous and not homozygous for the dominant blood type.