ZOOL 115 Lecture Notes - Lecture 11: Polymerase Chain Reaction, Dna Profiling, Variable Number Tandem Repeat
Document Summary
Biotechnology is a collection of laboratory techniques that make it possible to directly manipulate an organism"s dna in order to change phenotype. Creation of cells that can break down toxins and pollutants in the environment, Biotechnology is based on our understanding of the role of dna in determining characteristics. In the nucleus, chromosomes consist of dna and histone proteins. Dna determines the protein which in turn is responsible for the phenotype of the organism. Concept 11. 2: comparing dna organisms that have similar phenotypes have similar dna sequences. Dna can be compared in two ways: 1). Dna fingerprinting: identifies individuals on the basis of dna fragment lengths resulting from treatment (of repeating segments) with restriction . Dna sequence so they cannot produce the same lengths of dna fragments called variable. [how science works 11. 1: restriction enzymes are used to cut the vntr dna into pieces.
