1) The process of DNA test.

2) a)Human cells must be collected.
 b)Send this cells sample to a laboratory
 c)Scientists extract the DNA from the swab
 d) create many samples from it.
 e)The samples are put into a gel mixture
 f)the samples are subjected to an electric current
 g) a DNA probe is used to attach itself to the sample
 h) analyze the probe's location,
 i) scientists develop the film of this unique DNA strand.

3) First of all ,Ultimately

4) DNA testing is now available on the Internet. Also, some people can now order in home DNA tests and get their results in just a few days.

with maria koulenti