Try looking up the polymerase chain reaction (pcr) for primer extension
information, and I think chromosomal walk technique is referring to the way
in which enzymes (such as dna polymerase etc) move along dna so look up DNA
replication.
Qin Lin <qlin at vt.edu> wrote in message
news:99joib$6ch$1 at solaris.cc.vt.edu...
> I looked through some book about these two words, only got a little idea
of
> what they are and still confused. Please discuss these two techniques if
you
> know them!!
>>
