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downs and williams

what is the most common genetic disorder? downs syndrome.
how common is downs syndrome? 1 in 733 births
what causes downs syndrome? trisomy of chromosome 21
what is the most common example of trisomy21? an extra copy so there are 3 chromsome 21, this occurs in 98 percent of the population. also can occur: partial trisomy or mosiacs.
what is the life expectancy of downs syndrome patients? 50-55
how much smaller is the downs syndrome brain? 18% in one study!
what part of the down syndrome is smaller than normal? anterior-posterior brain measurement (so front to back)
what is unusually large in down syndrome patients? parietal lobes and subcortical structures
what is wrong with the cerebellum in downs syndrome? too small
what is controversially under developed in downs syndrome patients? superior temporal gyrus
what is one of the strenghts of down syndrome kids? pragmatics
Created by: pandaxx