Introduction a. ... Contamination of DNA d. ... Hope for DNA Evidence? ... The Drawback of DNA Evidence DNA has two important functions: directing protein synthesis and serving, as a genetic blueprint during cell replication (Sherwood, 1997, p.17). ... According to DNA scientist Keith Inman, co-author with Norah Rudin of the recently published treatises An Introduction to Forensic DNA Analysis and Principles and Practice of Criminalistics "it should be understood that the calculated frequency is an estimate, and can be off by an order of magnitude in either direction. ...

• Word Count: 2077
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School

What Is Cloning There are three types of cloning that exist, reproductive cloning, DNA cloning, and therapeutic cloning. The American Heritage Dictionary has three different definitions for cloning. 1) A cell, group of cells, or organism that is descended from and genetically identical to a single common ancestor, such as a bacterial colony whose members arose from a single original cell. 2) An organism descended asexually from a single ancestor, such as a plant produced by layering or a polyp produced by budding. 3) A DNA sequence, such as a gene, that is transferred from one organism to...

• Word Count: 1687
• Approx Pages: 7
• Has Bibliography
• Grade Level: High School

The article, Introduction to Evolutionary Biology, gives us brief examples of what is evolution, the misconception ideas of evolution, and the expansion of evolution throughout our history. ... Mutation is a change in the structure of a gene which is an alteration of the single base units in DNA. When DNA is copying, it may go through an error. ... He states that RNA were the first replicating molecules. ...

• Word Count: 1403
• Approx Pages: 6
• Grade Level: High School