Don't you have to understand the structure of DNA to define the differences.

Jerry

-----Original Message-----

From: profox-bounces@leafe.com [mailto:profox-bounces@leafe.com] On Behalf

Of Ed Leafe

Sent: Friday, September 02, 2011 10:42 AM

To: ProFox Email List

Subject: Re: [OT] Some scary events in Republican party

On Sep 2, 2011, at 10:34 AM, Jerry Foote wrote:

> Has the structure of DNA evolved?

DNA is DNA; it is chemically defined. But being a polymer, the

length, complexity, organization, etc. has evolved over time, and it is

these characteristics that make it biologically interesting. You can trace

evolutionary lineage based on the degree of difference between two species'

DNA.

-- Ed Leafe

[excessive quoting removed by server]

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