Fact 1: Mutations may change the structure of a chromosome or just change a single nucleotide.

Fact 2: Chromosomal abnormalities can be examined by chromosome analysis.

Given the two facts above, answer the question "Which process of gene abnormalities can mutations be detected?" with the following options: 
- A computer
 - ligt
 - analysis
 - radiation
 - electrically
 - negative
 - Microscope
 - illness


 

   analysis      