Parts of the heart are affected, there is a greater risk of hypercalcemia and hypertension. There will also be some visual symptoms too, such as widely spaced teeth and a flatish nose. Dental abnormalities are very common in patients suffering from Williams Syndrome.
It all depends on the intake of the alcohol and how the baby is born in general. Fetal alcohol syndrome could not affect anything, or it could affect many things. None of the organs are technically "not affected" but the part of the body that is definitely not affected is the skin.
Eye
No. Down syndrome doesn't limit itself to any one single body part.
Quite significantly as that body part is no longer there.
Every part of the body is vulnerable
Triple X syndrome affects females and is caused by the presence of an extra X chromosome. This genetic condition can lead to mild to moderate intellectual and developmental delays, as well as tall stature and some physical differences. It may also affect reproductive system development and function.
It affects the body's production of fibrillin, which is a protein that is an important part of connective tissue.
Eye
Lung
eyes
the head
Stroke, polio, Guillain-Barré syndrome.