Question

charcot-marie-tooth is a muscular wasting disease that affects 1 in 2,500 people. researchers have discovered that this occurs when a large gene on the short arm (p - arm) of chromosome number 17 makes a new copy of itself. what kind of chromosomal mutation is this?
translocation
inversion
deletion
duplication

Explanation:

Chromosomal mutations include translocation (segment movement), inversion (segment reversal), deletion (segment loss), and duplication (segment copy). Here, the gene makes a new copy, which fits duplication.

Answer:

duplication