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.
1 Try not to make it obvious that you are observing, because if the child knows you are doing an observation, he or she may act differently simply because of the knowledge that he or she is being watched. 2  On your Time Sampling Record Sheet, find the 10-minute interval that corresponds to the time of your observation. Position yourself so that you can easily see the clock (if you do not have a watch) and the child. 2  On your Time Sampling Record Sheet find the 10-minute interval that corresponds to the time of your observation.