no, it is caused by a triplication of the 21st chromosome.
bacteria
The cause of Down Syndrome was discovered in 1958 by Jérôme Lejeune.
It can be.
No.
Down syndrome is a genetic defect and is the result of an extra chromosome at the time of conception. The use of Procardia (or any other drug) does not cause Down syndrome.
SARS is not a pathogen, it is an syndrome similar to AIDS. It is caused by a virus called coronavirus, but it is the mutated strain.
the genetic conditions
the genetic conditions
yes
Down syndrome is not caused by a bacterial infection therefore the answer to your question is no. Down syndrome is caused by an extra chromosome in the cell nucleus.
See the Related Link to a very good FAQ on the causes of Down syndrome.
Parasites is the pathogen, that is caused marlia