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Haemophilia is a sex-linked recessive disorder - which means it can skip a generation, but only if it is carried in the female line.
A female can be a carrier of haemophilia, but a male cannot. This is because males only have one X chromosome, so if they have a defective X they will have the disorder. If a father has haemophilia, all of his daughters will also have haemophilia.
What else can I help you with?
Can hole in the heart skip a generation and be the cause of down syndrome in a grandchild?
can not be passed from generation to generation
Hemophilia is caused by a defiency of what clotting factor?
Hemophilia is caused by a deficiency of clotting factor VIII (hemophilia A) or clotting factor IX (hemophilia B).
A woman is a carrier for hemophilia what is the chances for sons with hemophilia if the father does not have hemophilia?
There are no hard answers to this, it depends strictly on luck. The statistics are though not very good for their children. Statisically the couple have a chance of having a normal son, a daughter that is a carrier for hemophilia, a daughter with hemophilia and a son with hemophia.
What are the statistics of hemophilia in England?
50 million ppl have hemophilia
Is hemophilia contageous?
No, Hemophilia is a genetic disease. A person is born with it.
Can hole in the heart skip a generation and be the cause of down syndrome in a grandchild?
can not be passed from generation to generation
Do heart attacks skip a generation?
While gallbladder disease may have genetic components, it does not keep track of the last generation affected. It can "skip" a generation or affect the children of affected patients.
Can height skip a generation?
Yes it can vcaus
How is diabetes passed on?
diabetes is not passed on
Can sickle cell trait skip a generation?
yes it can skip a generation, since it is a Mendel inheritance. and it is a reccesive trait. therefore offspring's can have two unaffected parents but chances are both parents might be carriers
Does tay-sachs skip a generation?
Tay-Sachs disease does not skip a generation in the traditional sense, as it is a genetic disorder caused by a mutation in the HEXA gene. It is an autosomal recessive condition, meaning a child must inherit two copies of the mutated gene (one from each parent) to develop the disease. If both parents are carriers of the mutation, there is a 25% chance with each pregnancy that their child will have Tay-Sachs. Thus, while it may appear to skip a generation if a carrier has children with someone who is not a carrier, the disease itself does not skip generations genetically.
What is a disease in which the blood does not clot normally?
Hemophilia is one disease in which blood does not clot normally. von Willebrand's Disease
Do twins normally skip a generation in families?
It is possible to have multiple sets of multiples, and giving birth to multiples can also skip a generation. Hyper ovulation (the tendency to release multiple eggs during ovulation, increasing the chances of conceiving fraternal twins) is a factor in giving birth to twins.
A woman with hemophilia and a man without hemophilia get married. What are the chances that their first child will have hemophilia?
There is no chance that the child will have hemophilia even if the spouse has hemophilia. Any girls the couple has will be carriers if the spouse has hemophilia.
Can recessive traits skip generations?
Your parental genotype. AA X Bb gives two--------AB two--------Ab The recessive trait is masked in this generation. This is how recessive traits skip generations
Where are the TM and HM in Pokemon pearl?
http://bulbapedia.bulbagarden.net/wiki/List_of_TM_and_HM_locations got to that link and skip to Generation IV
What pattern is apparent in pedigrees charting the inheritance of a recessive trait?
The person with the recessive trait seems to 'skip' a generation
