The chromosomal defect is caused when I part of a chromosome breaks off at either end attaches to another chromosome  is called Translocation.
 
        
                    
             
        
        
        
Explanation:
making hypotheses is a scientific method 
 
        
                    
             
        
        
        
Answer: PCR allows us to target and amplify one specific segment of DNA that is a few hundred base pairs in length out a complete genome of over 3 billion base pairs.
Explanation:
 
        
             
        
        
        
Answer:
yes, Y = 1.2x yan po ata hehehehehe tangkyou po sa question......