Antagonists muscles (e.g. biceps and triceps brachii)
Answer:
In all organisms, the instructions for specifying the characteristics of the organism are carried in DNA, a large polymer formed from subunits of four kinds (A, G, C, and T). ...
Most of the cells in a human contain two copies of each of 22 different chromosomes. ...
Changes in DNA (mutations) occur spontaneously at low rates.
C. nucleic acids (consisting of genes which encode for specific proteins to be synthetized)