If a person of O blood group breeds with a person of B group all the children must be either B or O. If the child is A or AB one of the individuals cannot be the parent. An O and B crossing can not produce an A or AB child.
Full Answer
Can an O positive and a B positive couple give birth?
Can an O positive and a B positive couple give birth? As the others said, there is no barrier to fertility. The O carrier is only OO, but the B carrier, can be BB or BO, both o which would be expressed as just B, but in reality made up of what the person inherited from his/her parents.
What are the chances of a child having O positive blood type?
If the mother is the first, then the child will be O positive. If the mother is the latter, then the child will have a 75% chance of being O positive and 25% chance of being O negative. Type O means the parent does not have the A antigen or the B antigen; so neither parent can contribute an antigen for the ABO blood type.
What does O positive mean on a blood test?
Type O means the parent does not have the A antigen or the B antigen; so neither parent can contribute an antigen for the ABO blood type. Negative means the parent doesn’t have a Rho (D) antigen; positive means the parent has either one or two Rho (D) antigens. If the mother is the first, then the child will be O positive.
Will My Baby Be Healthy If I have a negative pregnancy?
Of course baby will be healthy. However baby will usually be positive as positive is more dominent. A lady who is negative will need to have anti D injections once during pregnancy and after birth to prevent her body producing antibodies that could attack a future positive feotus or the developing baby.
Can O positive and B negative have children?
So each child has a 75% of being B and a 25% chance of being O. Note that genetically, not all of the B blood type kids are the same. The BB child will only pass down the B version of the gene. The BO child can pass on their O gene version....Menu.GenesBlood typeBOBABABOOO3 more rows•Nov 17, 2006
Which blood types should not have babies together?
Rh Incompatibility in Pregnancy Problems can occur when the mother is Rh- and the baby is Rh+. This mismatch in blood type is often referred to as Rh incompatibility. This mismatch doesn't cause any problems for the first pregnancy.
Is blood type O and B compatible for pregnancy?
Sometimes an incompatibility may happen when the mother is blood type O and the baby is either A or B. This can affect the newborn baby, who may need treatment after birth.
Can negative and positive blood have a baby?
If a woman who is Rh negative and a man who is Rh positive conceive a baby, the fetus may have Rh-positive blood, inherited from the father. (About half of the children born to an Rh-negative mother and Rh-positive father will be Rh-positive.)
Which two blood groups should not marry?
The correct option is: d Rh+ male and Rh– femaleExplanation:Rh factor is a protein found in blood. A person having Rh factor in blood is called Rh positive whereas that who does not carry this protein in the blood is called Rh negative. Marriage should be avoided in between Rh negative female & Rh positive male.
What two blood types are not for marriage?
In general:If you have type A blood, you should only receive types A or O blood.If you have type B blood, you should only receive types B or O blood.If you have type AB blood, you can receive types A, B, AB, or O blood.If you have type O blood, you should only receive type O blood.
What type of blood makes it hard to get pregnant?
A woman's blood group could influence her chances of getting pregnant, scientists have found. Those with blood type O may struggle to conceive due to a lower egg count and poorer egg quality, while those with blood group A seem to be more fertile.
Does the father's blood type matter in pregnancy?
If a father's Rh factor genes are + +, and the mother's are + +, the baby will have one + from the father and one + gene from the mother. The baby will be + + Rh positive. If a father's Rh factor genes are + +, and the mother's are - -, the baby will have one + from the father and one - gene from the mother.
Can blood type cause a miscarriage?
Some of them are: Rh factor: Miscarriage can be caused because of the incompatibility of the mother's blood and the blood of the unborn foetus commonly known as Rh factor incompatibility. This type of miscarriage occur when the blood type of mother is Rh negative, and the foetus blood type is Rh positive.
What are the 3 rarest blood types?
What are the 3 rarest blood types?Rh-null or golden blood. It is the world's rarest blood type, with fewer than 50 known cases ever reported. ... AB− AB− is the rarest of the eight basic blood types, accounting for less than one percent of the world's population. ... HH blood type, rare ABO group, or Bombay blood group.
Who has stronger genes mother or father?
Genes from your father are more dominant than those inherited from your mother, new research has shown.
Does blood type matter for pregnancy?
How Your Rh Factor Blood Type Affects Your Pregnancy. Usually your Rh factor blood type isn't an issue. But during pregnancy, being Rh-negative can be a problem if your baby is Rh-positive. If your blood and your baby's blood mix, your body will start to make antibodies that can damage your baby's red blood cells.