According to the Rett syndrome association (a UK charity), Rett syndrome is caused by a random genetic mutation and is not hereditary. As such it cannot be passed onto your child.
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It is highly unlikely but is possible to have Rett syndrome and due to X inactivation not show any symptoms. Therefore, you could pass on the same mutation/deletion to your daughter who may show symptoms even though you do not. Again, highly unlikely.
The risk that the parents of a daughter with RS will have a second child with the disorder is less than 1%.
Rett syndrome in boys is known as Rett syndrome. Male fetuses with Rett syndrome do not typically survive until birth unless they have an extra X chromosome (XXY).
Yes, his niece Courtney has rett syndrome.
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An interesting fact about Rett syndrome is that it is normally found in females because females have two X chromosomes. If a male were to get Rett Syndrome they wouldn't survive because males have only one X chromosome.
Rett syndrome is usually diagnosed between the ages of 6 months and 3 years old, when symptoms typically become more noticeable. Genetic testing is used to confirm a diagnosis of Rett syndrome.
One of every 10,000 to 15,000 infant girls will develop Rett syndrome. It affects all racial and ethnic groups worldwide. Rett syndrome is rarely seen in boys.The chances of a family having a second child with Rett syndrome are less than one percent.Why Does Rett Syndrome Mostly Affect Girls and Not Boys?Girls have two X chromosomes in every cell. If they have Rett syndrome, some of the cells will use the defective gene. Other cells will use the healthy genes which will help to make up for the cells using the defective gene. However, boys only have one X chromosome in every cell. They lack the extra X chromosome that can protect their bodies from being completely overcome by the disorder. Therefore boys with the cell mutation that causes Rett syndrome often die before or shortly after birth
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If a family has a daughter that is afflicted with Rett Syndrome prenatal testing is available. Testing is also available for sisters of girls with Rett Syndrome. Rett Syndrome is a genetic disorder and nearly all cases are caused by a mutation in the MECP2 gene. Less than 1% of cases are passed from generation to generation.
The life expectancy for girls with Rett Syndrome is about 44 to 48 years old. The syndrome causes physical and mental developmental problems.
As of 2014, there are no reported famous people who suffer with Rett syndrome. This condition affects the central nervous system.
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According to Chuck CurleyExecutive Director of IRSF (International Rett Syndrome Foundation) in 2007 there were nearly 4000 known cases of Rett Syndrome in the United states. DR Helen Leonard, a disability researcher from Australia's Institute for Child Health Research has collected info on the rett girls and the populations vary from country to country . Her international database, InterRett, though has collected numerous cases of Rett Syndrome. As of September 2008, InterRett had ascertained 1691 cases of Rett syndrome. These cases came from 39 different countries, with the largest proportion coming from Australia (21% ), Spain (21%), USA (18%), France (13%), Israel (5%), China (5%) and the UK (5%). Total actual number of girls per population is unknown but estimated at 1 per 10,000 to 23,000 depending on country.