What mutation causes Down Syndrome?
Understand the Problem
The question is asking about the specific genetic mutation responsible for Down Syndrome. It seeks to identify the chromosomal abnormality that leads to this condition.
Answer
Trisomy 21 (extra copy of chromosome 21)
The final answer is Down syndrome is caused by trisomy 21, which is an extra full or partial copy of chromosome 21.
Answer for screen readers
The final answer is Down syndrome is caused by trisomy 21, which is an extra full or partial copy of chromosome 21.
More Information
Down syndrome, also known as Trisomy 21, is one of the most common chromosomal conditions, resulting in a wide variety of symptoms and health issues due to the extra genetic material.
Tips
A common mistake is misunderstanding that Down syndrome is not caused by a gene mutation, but rather by having an entire extra chromosome.
Sources
- Down syndrome: MedlinePlus Genetics - medlineplus.gov
- Down syndrome - Symptoms and causes - Mayo Clinic - mayoclinic.org
- Down syndrome: Causes | NICHD - nichd.nih.gov
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