Discussion Topic Some organisms have a large geographic
range. For example, the Norway rat lives on
every continent except Antarctica.
A population of Norway rats is the number of
rats in one particular area. Do you think it's
scientifically possible for a population of
Norway rats in North America to carry
different genetic mutations than a population
of Norway rats in Africa? Do you think it's
possible that they carry some of the same
mutations? What types of information can
scientists learn by studying the genomes of
these two populations of ratse