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Universal common ancestry (view source)
Revision as of 14:20, September 18, 2007
, 14:20, September 18, 2007links
Belief in common descent is largely derived from the similarity among forms of life. For example:
Belief in common descent is largely derived from the similarity among forms of life. For example:
*All cells are bound by a membrane
*All [[cell]]s are bound by a [[membrane]]
*All cells store heritable information as DNA.
*All cells store heritable information as [[DNA]].
*All cells adhere to the same basic mechanism of gene expression.
*All cells adhere to the same basic mechanism of [[gene expression]].
*All cells utilize the same metabolic pathways.
*All cells utilize the same [[metabolic]] pathways.
*All cells have ribosomes to produce protein.
*All cells have [[ribosome]]s to produce [[protein]].
From these similarities, an evolutionist infers that all life is related through one original life form.
From these similarities, an evolutionist infers that all life is related through one original life form.