1 .  The topic sentence is "Believe it or not, the process of completing a DNA test is not very difficult".

2 .  The four steps of DNA testing are:

      a)First of all, human cells must be collected.  The cells can be collected from a person's cheek using a     swab.
    
     b) The next step is to send this cell sample to a laboratory.
    
     c) Then the samples are put into a gel mixture, and are subjected to an electric current.

     d) Each person produces a unique location of DNA attachment, and this is how the identification works.

3 .  Two transitional expressions that show a time relationship are  "ultimately" and "in just a few days".

4 .  The surprising information that is claimed in the last two sentences is that DNA testing has become very popular, and now is available on the Internet.  People can now order in-home DNA tests and get their results in just a few days.


Markos Kleanthous
Xanthi Apostolou
Maria Machera