I'm not sure how exactly you wanted this question to be answered. You're either talking about the symmetry where animals would have two legs or two arms for example and thus producing a pair of each muscle on both sides of the body, or you're refering to the development of agonistic and antaonistic muscles where each of them served a different purpose; either extending or contracting.
<span> water is a solvent. It helps to break waste and nutrients down in the </span>cell so <span>that they can be moved through the various membranes. this is necessary in a cell </span><span />
Answer: could you tell me the methods and its discription?
Answer:
You could generate cDNA libraries and compare the transcribed regions of the genome