Mutations. Definition. A Mutationoccurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed
        
                    
             
        
        
        
Answer:
A cell cycle is a series of events that take place in a cell as it grows and divided. ... The cell then leaves interphase, undergoes mitosis, and complete its division. The resulting cells, known as daughter cells, each enter their own interphase and begin a new round of the cell cycle. so the awnser is b as in bee
Explanation:
Okay First lets take a dee breath now Step-By-Step 
first we think about what the cell cycle is good question!
come up with a good explaining and why is that the awnser" then write facts down and you should have your awnser
 
        
                    
             
        
        
        
<span>there’s another way to retroviruses is to make
more strong screening methods to tell if the transgene is functioning properly
in the embryo before it is implanted in the uterus. The approach leads to fewer
problems with development, but it has raised concerns about the possibility.</span>
        
                    
             
        
        
        
Part of us humans daily life.
        
             
        
        
        
I’m not for sure but I believe it is A