Answer:
-4 is greater than -6 because it's closer to being a positive number than -6 is
 
        
                    
             
        
        
        
A) Homozygous 
An organism in which two copies of the gene are identical and are the same allele is called homozygous
        
             
        
        
        
The exposure of certain types of radiation
        
                    
             
        
        
        
Dolly was a female fin Dorset sheep,
Although it has been claimed that dolly had 3 mothers. one provided the egg, another the DNA, and a third carried the cloned embryo to term.
So therefore, dolly has the genes of different species of sheeps.
Hope this helped!