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m_a_m_a [10]
3 years ago
10

The mother of an infant with down syndrome asks the nurse what causes the disorder. before responding, the nurse recalls that th

e genetic factor of down syndrome results from what?
Biology
1 answer:
bearhunter [10]3 years ago
7 0
The answer to this question would be: <span>Extra chromosomal material</span>

Down syndrome is a genetic disease that caused by trisomy of chromosome 21. Trisomy means that the chromosome is having an extra pair, making a total of 3 chromosomes instead of 2. The disease will cause the child to have an intellectual disability. The primary risk factor for this disease would be old mother.
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