I would say A because it sounds right hope this helps
        
             
        
        
        
In living organisms, cell division is the means by which development and growth take place. The survival of the living cells depend on interaction with other cells. The process of cell division in developmental stages of growth involves round of cell divisions during which the cell become increasingly more specialized and organize in certain pattern. This interaction during this stage mold the overall morphology of the organism.
        
             
        
        
        
The answer is a hope it helped
        
             
        
        
        
A Karyotype is the number (or characteristics of) of the chromosome in a cell. In humans the typical number of chromosomes is 46. Sometimes humans have a different number of chromosomes and then the<span> karyotype (for example the number) can be used for reporting for example of genetic disorders- so the answer is that it can be used for reporting of genetic disorders</span>
        
             
        
        
        
Drugs hit the same part of the brain that releases dopamine which makes you happy. Other things that by this part of the brain are good and sex. This part of the brain is called the "reward" circuit , which is part of the limbic system.