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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 else can I help you with?
Does TaySachs disease have a dominant or a recessive trait?
recessive
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
Does hemophilia skip a generation?
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.
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
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.
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
Can sickle cell trait skip generations?
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
