 |
|
|
|
|
|
|
|
|
|
|
| • |
T.H.
Morgan and his students became the focus of
|
|
|
|
progress
in genetic research in the early 1900s.
They
|
|
|
|
found
mutant strains and followed the patterns of
|
|
|
|
inheritance. Mutations were/are the key to genetic
|
|
|
|
analysis. They realized that there was more to
inheritance
|
|
|
|
then
the simple explanation of Mendel.
They found the
|
|
|
|
proof
that showed that DNA could rearrange in cells by the
|
|
|
mechanism
of recombination and thus traits could be
|
|
|
inherited
in a fashion that is not predictable.
The ability of
|
|
|
|
chromosomes
to undergo recombination is a fundamental
|
|
|
|
principle
of genetics and forms the basis of modern human
|
|
|
|
genetics.
|
|