Is Wiedemann Steiner syndrome hereditary?

Yes, Wiedemann-Steiner syndrome is inherited in an autosomal dominant manner, which means that a person only needs to inherit one copy of the mutated gene from a parent in order to develop the condition. This means that if one parent has the mutated gene, there is a 50% chance that each of their children will also have the condition. However, it is also possible for a person to develop Wiedemann-Steiner syndrome without having a family history of the condition, as this can occur due to a new mutation of the EZH2 gene.

What gene causes Williams syndrome?

Williams syndrome is caused by the deletion of a small piece of genetic material from a specific region of chromosome 7. This deletion typically occurs in a person’s genetic material by chance and is not inherited from a person’s parents. The deleted genetic material includes a gene called elastin, which is important for the development of connective tissue in the body. This gene is thought to play a role in the development of the distinctive facial features and other physical characteristics associated with Williams syndrome.

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