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18 fev 1959 ano - Down Syndrome Cause Found

Descrição:

In 1959 It was discovered that down syndrome is caused by a random genetic mutation that add an extra chromosome in each cell.

Adicionado na linha do tempo:

Down Syndrome Timeline

ByDrew Zins
31 jan 2018
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0
279

Data:

18 fev 1959 ano
Agora
~ 65 years ago
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