DNA Paternity » Likelihood http://dnapaternity.biz Thu, 09 Feb 2012 04:13:15 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 dna??????????????????????????????? http://dnapaternity.biz/dna/ http://dnapaternity.biz/dna/#comments Sat, 14 Jan 2012 18:13:25 +0000 Admin http://dnapaternity.biz/dna/ How is DNA used to provide evidence that evolution has occurred?

A. The degree of similarities or differences in two organisms' DNA sequences can provide clues about how long ago they diverged from a common ancestor.
B. All organisms have the same DNA sequence.
C. It isn't. Scientists study protein sequences to learn about evolution.
D. The greater the number of differences in DNA sequence, the greater the likelihood that two organisms belong to the same species.

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