DNA analysis is the process in which genetic sequences are studied. It is used by law enforcement and medical personnel to identify a particular person or species, and even specific cancers and diseases. At one point the analysis process was very limited.
To round off to the nearest tenth, means to keep one decimal digit. (To round off to the nearest hundredth would mean to keep two digits; to the nearest thousandth, three; and so on. Now, the digit in the second decimal place is 5. Therefore add 1 to the previous digit 2.
2 n-count A wait is a period of time in which you do very little, before something happens or before you can do something. usu sing. ...the four-hour wait for the organizers to declare the result. 3 verb If something is waitingfor you, it is ready for you to use, have, or do.