Answer:
-mutations
-exchanges of genetic material between mature, adult organisms
-the introduction of viral genes through lysogenic infections
-genes being passed from parents to offspring
Explanation:
 
        
             
        
        
        
Answer:
Explanation:
1) 1/2 or 50% for both
2) 5/10 or 50% for both
3)7 heads 3 tails 
4)50 heads and 50 tails I expect 50% head 50% tail
5) 50 of the tosses were heads while the other 50 was tails./
 
        
             
        
        
        
Answer:
The chromosomes move to a narrow central zone of the cell
Explanation:
Prophase: nuclear and cell membrane start to disappear
Metaphase: The chromosomes line up in the equator
Anaphase: Spindle fibres pull the chromosomes towards the poles
Telophase: Nuclear and cell membrane start to form
I hope it useful