Education and Job Training.
yes, but not often.
Most of the external features of Marfan syndrome become more pronounced as the patient gets older, so that diagnosis of the disorder is often easier in adults than in children.
Because they have higher levels of testosterone.
I have Asperger syndrome and when I was a child I had problems with things such as doing up shoe laces and doing up buttons. It's probably due to poor motor skills which is common in people with Asperger syndrome, also people often find certain materials irritate their skin which could make getting dressed unpleasant for them. It happens in adults too, but at least adults can choose their own clothes and so avoid any that cause problems.
Turner syndrome only occurs in females
People with Tourette's syndrome are often found swearing because they are unable to control their compulsion. Only 10% of people who suffer from Tourette's syndrome struggle with compulsive swearing.
They can, and often do.
Down Syndrome often occurs when chromosomes fail to separate properly during meiosis.
people with down syndrome are often riddled with vision impairments...
Housework!
In adults, orchiopexy is most often done to treat testicular torsion
Individuals with Down syndrome often have a larger gap between their toes, known as a "sandal gap." This physical characteristic is significant because it can help doctors diagnose Down syndrome at birth or during prenatal screenings. The presence of a sandal gap is one of the physical features commonly associated with Down syndrome.