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M12

Page history last edited by gerryc 12 years, 10 months ago

M12. DNA carries genetic information from one generation to the next.

 

Student Outcome: M12.1

Understand that DNA is perpetuated by semi-conservative replication.

At the time of replication, the two strands of DNA first separate. Each strand then acts as a template for the formation of a new strand. A new strand is constructed on each old strand, and two exactly identical double stranded DNA molecules are formed. In each new DNA molecule, one strand is old (original) while the other is newly formed. Hence, Watson and Crick described this method as semi-conservative replication.

 

Source: http://www.pinkmonkey.com/studyguides/subjects/biology-edited/chap8/b0808301.asp

 

Here is another version from "How Stuff Works":

 

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