Both parents have at least one Rhesus gene each. Lets try to understand this based on how alleles are passed on from parents to children.
Rhesusnegativebloodgroup Com Expressions Children Status
Two parents with A blood type can produce a child with either A or O blood types.
O+ parents what is child. Suffice it to say that A B and AB are dominant over O so children will be type O only if they inherit O-type genes from both parents. OO x OO- All children are O 2. There are 0 possibilities that a mother O with a father O have a child B.
Two parents with B blood type can produce a child with either B or O blood type. One Indonesian mum Dorinda Dewanti learned about O positive blood type and pregnancy problems the hard way. Barry Starr Stanford University.
That means each child of these parents has a 1 in 8 chance to have a baby with an O- blood type. Rh Positive Rh and Negative Rh- Blood Types. The genotypes of the parents might be AO hh - and OO HH -.
Others think its a combination of both blood types. If you like my answer click accept. Your A brothers most likely are half-brothers who share only one parent with you or they are adoptedor somebodys blood type was identified incorrectly.
As you can see only one out of the eight boxes is OO --. In ABO blood group system If your mom is O positive and dad is also an O positive blood type then the child will have O blood type. If they had an A or B gene they wouldnt be type O.
That means each child of these parents has a 1 in 8 chance to have a baby with an O- blood type. If both parents belong to the blood group O the child will also belong to the O blood group. The phenotypes of the parents would be O in both cases.
But you could have an A child of O and O- parents if the parents had the following genotypes. OO- x OO- Children could be either O or O-. Lets see what the offspring would be in each caseParents OO BBGametes O O B BZygote OB OB OB OBBlood groups B B B BSo all offspring would have a blood group of B in this caseParents OO BOGametes O O B OZygote OB OO OB OOBlood group B O B OThere is a 50 probability of the child having the blood group B or OSince both parents are rhesus positive the child can be either rhesus.
For example if the mother is O- and the father is A they believe the baby will either be O or A-. Each of their kids will also have a 3 in 8 chance of having A a 3 in 8 chance of being O and a 1 in 8 chance for being A-. O-you get a 3 of 16 chance of a type A negative child Even a type AB- father or mother could produce sperm and egg cells capable of making a Type A negative child.
Each of their kids will also have a 3 in 8 chance of having A a 3 in 8 chance of being O and a 1 in 8 chance for being A-. One parent with A and another with B will give their child either A B AB or O groups. Can O and O have a baby.
OO x OO All children are O 3. Both parents have two genes for O type blood we know this because O is recessive. This will prevent expression of the A antigen masking the A phenotype resulting in.
If one parent has A and another has O they can either produce a child with A or O blood types. The genotype of the father or possible genes he could pass on would be O O. Likewise a father with O blood type can only pass O allele to the baby.
Its name comes from the fact that the only place its prevalent is in India and it isnt even common there. If either one or both parents are homozygous for Rhesus then all children will be Rhesus. This would give the children the phenotype or traits.
Two B blood group parents can give their child either B or O blood group. The truth is that blood types are a. It is a relatively rare phenomenon but it is possible.
Many people believe that a babys blood type has to be the same as one of their parents. The parents are either OO or OO-. The baby of these parents will always have O blood type this can be positive or negative but always O blood type.
At first Ms Dewanti did not know that O positive blood type and pregnancy problems can arise from different maternal and fetus blood types. A mother is O and the father is o what would the child be. The mother A B.
The requirement for this to be true is that the carries or the A allele is also homozygous for the recessive gene for the H allele. If one parent has A and another has AB they can either produce a child with A B or AB blood types. O parents can have only O or possibly O- children.
For example two O blood type parents can produce a child with only O blood type. There are three possible crosses. We really cant distinguish.
Doris blood type was O whereas her son Lantangs blood type was B positive. If she is heterozygous then all children have a 50 chance to have type A and a 50 chance to have type O. Here father and mother have O.
They might have two we. One parent with A and another with B can produce a child with A B AB or O blood types. The genotype of the children would be AO BO.
Two A blood group parents can give their child either A or O blood group. An A parent and an O parent can definitely have an O- child. If both parents are heterozygous for the Rhesus factor then the child has a 25 chance to be Rh - and a 75 chance to be Rh.
Children who inherit an A-O combination will be type A but. One parent with A and another with B can produce a child with A B AB or O blood types.
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