Answer:
A
Explanation:
This is called the locus and is determined in Meiosis by gametes from parent cells. During meiosis there is this thing called 'crossing over' where the gametes (sperm and egg cells) homologous genes (genes of similar size and shape, such as X and Y chromosomes or X and X) exchange genes on the same locus to provide slightly different characteristics. 
Please check this with your teacher but i believe that this is right. Hope this helps. ;)
 
        
             
        
        
        
Unconditional positive regard is a Rogerian term for: Positive behavior toward a person without attaching any contingencies. 
Hope this helps!
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According to google. It is a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.