179Forensic Training, Education, and Institutes
Prosecutor: OK, I take it from your description that a base is a chemical on
the DNA molecule. Is that right?
Forensic Science Student: Yes, it is.
Prosecutor: Go ahead, I interrupted you.
Forensic Science Student: So we’re looking at these bases and the number
of repeats they have of these bases—so, AATG AATG—someone
might have seven of those repeats and then another repeat of ten.
So, if this was the train, you might have seven cars and ten cars and
you’re able to see the dierence in the lengths of the segments, like
the length of a train.
Prosecutor: Are all of the 16 dierent locations that you’re looking at, are
all of them these short tandem repeats that you’ve just described
for us?
Forensic ...