Down Syndrome

Down Syndrome (Trisomy 21)

Brief overview Course:Individually different degrees of motor and mental disability and organic concomitant diseases. Prognosis:Dependent on severity of disability, medical care and early intervention, life expectancy over 60 years, higher mortality in childhood. Causes: Three (instead of two) copies of chromosome 21 are found in all or some body cells of affected individuals. Symptoms: Short … Down Syndrome (Trisomy 21)

Harmony Test: Costs, Timing, Advantages and Disadvantages

What is the Harmony test? Down syndrome (trisomy 21) Trisomy 18 Trisomy 13 In addition, the Harmony test detects abnormalities of the normal number of sex chromosomes. Such an abnormality occurs, for example, in Turner syndrome and Klinefelter syndrome: In Turner syndrome, which affects only girls, the cells have only one (instead of two) X … Harmony Test: Costs, Timing, Advantages and Disadvantages