This affects about 1 in 10,000. So what is it?
What is it
Williams syndrome (WS) is a genetic condition that is present at birth and can affect anyone. It is characterized by medical problems, including cardiovascular disease, developmental delays, and learning challenges. These often occur side by side with striking verbal abilities, highly social personalities, and an affinity for music. WS occurs equally in males and females and in all cultures worldwide. The following resources will provide details about the many facets of Williams syndrome.
How does it happen
This is the cause of the deletion of 26 to 28 genes on chromosome #7. This happens at the time of conception. The sperm or the egg can have this happen to them. It is a 1 in 10,000 chance. It is most likely that the elastin gene in most families.
This was taken from https://williams-syndrome.org/what-is-ws
This makes the person with Williams Syndrome a very friendly person. They will talk to everyone. They are the most friendly people.