This is the definition of the word obligation.
Answer:
Chemical tags reveal interplay of genes, environment in autism.
Explanation:
It just shows what type of DNA a person has which means the letters A, T, G and C, which represent different DNA bases, spell out the blueprint for the human body. But they aren’t the only ones that matter.
CH3 is the chemical formula for a methyl group — a carbon atom studded with three hydrogens. Methyl groups can attach to DNA and affect whether the DNA is recognized by the cell’s machinery. Different exposures and experiences — anything from air pollution exposure to stress — can make DNA more or less likely to gain or lose methyl tags.
He conceived the idea of separating government authority into the three major branches: executive, legislative and judicial. This perspective significantly influenced the authors of the Constitution in establishing laws and division of duties, and also in the inclusion of provisions to preserve individual liberties.
The soviets were concerned that the Western Allies wanted to make the western governments into capitalist free trade areas and also that they wanted to reduce the amount of German war reparations. They believed that communism is better than Capitalism and that it should be established in war torn countries.
A is the only answer that makes any sense