Chromosomal mutations can have a variety of effects on individuals. Down syndrome is a disorder that causes problems such as mild to moderate mental retardation and slow or stunted development. A common form of this disorder is the result of a genetic mutation that occurs when there is an extra chromosome 21. Which type of chromosomal mutation causes this form of Down syndrome?

nondisjunction
inversion
deletion
insertion

Question

Chromosomal mutations can have a variety of effects on individuals. Down syndrome is a disorder that causes problems such as mild to moderate mental retardation and slow or stunted development. A common form of this disorder is the result of a genetic mutation that occurs when there is an extra chromosome 21. Which type of chromosomal mutation causes this form of Down syndrome?

nondisjunction
inversion
deletion
insertion

anonymous · Answer

i need help....

djedwin · Answer

I think its insertion, im not sure..

anonymous · Answer

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