The event is called mutation
A mutation is a rare, accidental or induced modification of genetic information in the genome, specifically DNA.Depending on which part of the genome is affected, the consequences of a mutation may vary. 
A mutation is said to be hereditary if the mutated genetic sequence is transmitted to the next generation (see germinal mutations). 
It is one of the elements of biodiversity and one of the many factors that may be involved in the evolution of the species (for example: production of new protein which help the bacteria to grow in hostile environment like fungi).
        
             
        
        
        
According to theories concerning the origin of life, the atom is likely choice for the basic element of all living things because it :
B. Is relatively stable and can form four covalent bonds
This bonds will signify stability.
hope this helps
        
                    
             
        
        
        
Answer: A.
Explanation: The Earth has a magnetic sphere that protects it from the sun's particles. Even though the particles take a while to travel to Earth, whenever they are deflected that is what causes the Northern Lights.
 
        
             
        
        
        
The main concern of the Act is that it explains the role of regional fishery management councils and describes their functions and operating procedures. The Magnuson Stevens Act was established in 1976 for
B. prevention of overfishing
 
        
                    
             
        
        
        
Your chromosome number in gametes would double from 46 to 92