Bio

AGENDA

Agenda

1. General information -> Frederike

2. Discoverer -> Laura

3. Causes -> Cecillia

4. Effect -> Laura

5. Conclusion -> Cecillia

GENERAL INFORMATION

General information

• is also known as down syndrome
• effected people need educational support
• every 3 min a child with down syndrome is born
• 5 Million people with down syndrome

DISCOVERER

Jean Étienne Esquirol

Discoverer

• in 1838 Jean E.E mentioned the syndrome and described it
• in 1866 John L.D named the disease as a syndrome that could be delimited from other disabilities
• only in the year 1959 some scientists discovered the cause of trisonomy 21

John Langdon-Down

THE CAUSE

The Cause

• during meiosis in Anaphase 1 the spindle aparatus pulls two 2-chromatid-chromosmes to a pole
• in Anaphase 2 the spindle aparatus only seperates one of the 2-chromatid-chromsomes
• 3 rd copy of 21 st chromosome

THE EFFECT

The Effects

• average IQ of young adults is 50
• nobody can have down syndrome in the family
• look different
• distinctive sexual drive
• life expectancy is around 50 to 60

Sources

https://de.wikipedia.org/wiki/Down-Syndrom

https://de.wikipedia.org/wiki/Jean_Étienne_Esquirol

https://de.wikipedia.org/wiki/John_Langdon_Down

https://www.netdoktor.de/krankheiten/down-syndrom/

https://www.onmeda.de/krankheiten/down_syndrom.html