1) The topic sentence is the first line "believe it or not the process of completing a DNA test is not very difficult.
2) There are 3 steps. a) firstly they collected the cell from the person ,b) they send the cell to a laboratory and scientists extract the DNA and create many samples from it c) finally the put into a gel mixture and subjected an electric current.
3) first of all, the next
4) DNA testing is now available on the internet and can order in home DNA tests and get results in few days
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