Jolly

Biology

22 September, 18:35

Chromosomal mutations can have a variety of effects on individuals. Down syndrome is a disorder that causes problems such as mild to moderate mental retarationn 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