The brackets around a chemical formula represents or means the molar concentration of the given compound or element. For example; [H+] means the molar concentration of hydrogen ions, [H2O] means the molar concentration of water molecules, [NaCl] is the molar concentration of sodium chloride, and so forth.
600-400= 200N to the left.
Explanation:
One of a number of alternative forms of the same gene occupying a given position, or locus, on a chromosome is allele.
The correct answer should be Gene Expression :)