DNA as an Archive of the Past

Each individual's genome, in any one generation, will be a sample from the species database. Different species will have different databases because of their different ancestral worlds. The database in the gene pool of camels will encode information about deserts and how to survive in them. The DNA in mole gene pools will contain instructions and hints for survival in dark, moist soil. The DNA in predator gene pools will increasingly contain information about prey animals, their evasive tricks and how to outsmart them. The DNA in prey gene pools will come to contain information about predators and how to dodge and outrun them. The DNA in all gene pools contains information about parasites and how to resist their pernicious invasions.

Information on how to handle the present so as to survive into the future is necessarily gleaned from the past. Non-random survival of DNA in ancestral bodies is the obvious way in which information from the past is recorded for future use, and this is the route by which the primary database of DNA is built up. But there are three further ways in which information about the past is archived in such a way that it can be used to improve future chances of survival. These are the immune system, the nervous system, and culture. Along with wings, lungs and all the other apparatus for survival, each of the three secondary information-gathering systems was ultimately prefigured by the primary one: natural selection of DNA. We could together call them the four 'memories'.


A repository of ancestral survival techniques.

Folksonomies: history evolution dna

/technology and computing/software/databases (0.501319)
/science/medicine/genetics (0.452217)
/science/biology/breeding (0.324567)

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immune system:FieldTerminology (0.762375 (negative:-0.372321)), nervous system:FieldTerminology (0.714983 (negative:-0.477206))

Immune system (0.973597): dbpedia | freebase | opencyc
Species (0.937569): dbpedia | freebase | opencyc
Organism (0.928357): dbpedia | freebase
Evolution (0.920509): dbpedia | freebase | opencyc
Present (0.898818): dbpedia | freebase | opencyc
Bacteria (0.898400): dbpedia | freebase | opencyc
Predation (0.886062): dbpedia | freebase | opencyc
Future (0.787318): dbpedia | freebase

 The Greatest Show on Earth: The Evidence for Evolution
Books, Brochures, and Chapters>Book:  Dawkins, Richard (2010-08-24), The Greatest Show on Earth: The Evidence for Evolution, Free Press, Retrieved on 2011-05-19
Folksonomies: evolution science


04 SEP 2011

 Why Evolution is True

Memes that support the Theory of Evolution