Answer:
An inversion
Explanation:
An inversion occurs when a chromosome breaks in two places; the resulting piece of DNA is reversed and re-inserted into the chromosome. Genetic material may or may not be lost as a result of the chromosome breaks.
 
        
             
        
        
        
Answer:
True
Explanation:
Positive feedback is anything that increases or adds to something. Negative feedback is anything that decreases or takes away from something.