Answer: osmosis 
Explanation: osmosis is the movement of the water molecules from a region of high concentration of solute to a region of low concentration of solute, through a semi-permeable membrane.
This movement occurs until the concentration on both sides is on equilibrium.
Semi permeable membrane allows the movement of water only but not the solute.
In this case,water moves from region A to region B.
 
        
             
        
        
        
Answer: Reverse the position of two cells from opposite poles as the blastula stage allow development
Explanation:
 An experiment should be performed, this experiment will help to discover the interactivity that exists between cells before reaching the fetal period. The experiment ought to also influence the location of the cells.
 
        
             
        
        
        
The answer is B) mutation
A mutation is the alteration of a nucleotide
sequence in DNA. <span>Changed DNA sequence is transcribed into
RNA. This changed RNA sequence is
translated into misformed protein.
</span>
Replication is a process in which DNA molecule is copied, and thereby two identical DNA molecules are produced. Transformation is a process of incorporation of the foreign genetic material into cell's genetic material.