Definition. Sex-linked diseases are passed down through families through one of the X or Y chromosomes. X and Y are sex chromosomes. Dominant inheritance occurs when an abnormal gene from one parent causes disease even though the matching gene from the other parent is normal.The abnormal gene dominates.efinition. Sex-linked diseases are passed down through families through one of the X or Y chromosomes. X and Y are sex chromosomes. Dominant inheritance occurs when an abnormal gene from one parent causes disease even though the matching gene from the other parent is normal.
Savant syndrome is a rare syndrome in which people with poor mental development or brain injury possess extraordinary mental skills which are difficult to explain scientifically. Sometimes the talents of a savant may go unnoticed.he exact cause of a savant syndrome is not known. A lot of hypotheses have been proposed. Some researchers believe that there is damage to the left hemisphere of brain, which results in compensatory changes in the right side of brain.
Savant Syndrome is not a new disorder (nor is autism). It is over 200 years ago since the first case of savant syndrome appeared in a scientific journal in Germany, and it is 125 years since Dr. J. Langdon Down first described savant syndrome as a distinct condition. met my first savant in July, 1962. It was my first day on the job setting up a Childrenâs Unit at a state hospital in Winnebago, Wisconsin. One adolescent lad had memorized the bus system of the city of Milwaukee and was able to recite the route and time table of each of the buses for the entire city.