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What do genes mean? 
Abstract:
Some think the genome is a passive database that contains information
used by the cell when it needs it. Others view the genome as active.
For them the genome is the regulatory control center of all life.
This active view sees the genome as a program that systematically
constructs the body of the organism and regulates its processes.
We will contrast the active and passive views by going deeper into
the meaning of genomes and their genes. Gene networks link genes.
But even networks must be interpreted by the cell to give them meaning.
How do cells give meaning? How do cells control their activity?
How do embryos grow and organize themselves? Multicellular systems
biology uses computer modeling and simulation to give us a deeper
understanding of the roles played by genes and genomes in living
systems. These roles include embryo development, tissue regeneration,
wound healing, and evolution. Even diseases such as cancer can be
understood as pathological developmental and evolutionary processes.
The meaning of genes and genomes begins to emerge in this wider
context.
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(©
Eric Werner) 
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