How are DNA fragments separated using gel electrophoresis? ... A solution ofDNA molecules is placed in a gel. Because each DNA molecule is negatively charged, it can be pulled through the gel by an electric field. Small DNAmolecules move more quickly through the gel than larger DNAmolecules.Nov 20, 2007
        
             
        
        
        
“D” would be the best answer choice for me.... not sure if it’s correct though
        
                    
             
        
        
        
Answer:
An animal cell is not able to divide without a centriole
Explanation:
If animal cells lacked centrioles, they would not be able to divide. Centrioles have an important role in cell...
Hope this helps! Brainliest?? Anyways have a great day my loves <3
 
        
             
        
        
        
Answer:
The probability that the child will have type blood B equals <u>3/16</u>. 
Explanation:
 <u>Available data:</u>
- Individuals with the rare Bombay blood phenotype lack both the A and B antigens in individuals and/or are of hh genotype.
- Cross between two parents that are both of I A I B Hh genotype
Cross: IAIB Hh    x    IAIB Hh
Gametes) IAH, IAh, IBH, IBh   
                 IAH, IAh, IBH, IBh 
Punnett square)        IAH            IAh         IBH         IBh
                    IAH      IAIAHH     IAIAHh    IAIBHH   IAIBHh
                    IAh       IAIAHh     IAIAhh     IAIBHh    IAIBhh
                    IBH      IAIBHH     IAIBHh     IBIBHH   IBIBHh
                    IBh       IAIBHh     IAIBhh      IBIBHh   IBIBhh
F1) Genotype
-      1/16 IAIA HH
-      2/16 IAIAHh
-      1/16 IAIAhh
-      2/16 IAIBHH
-      4/16 IAIBHh
-      2/16 IAIBhh
-      1/16 IBIBHH
-      2/16 IBIBHh
-      1/16 IBIBhh
     Phenotype
-      3/16 Blood type A
-      6/16 Blood type AB
-      3/16 Blood type B
-      3/16 Blood type 0  
 
        
             
        
        
        
Hey there..
If I'm correct the guidelines are: reuse, reduce and recycle. 
Hope it helps :)