PCR - Polymerase Chain Reaction. Amplifies or makes copies of STRs., VNTR - Variable Number Tandem Repeat. 10-100 base pairs., Gel Electrophoresis - Separates the VNTR fragments., Restriction Enzymes - Chemical scissors that cut DNA at VNTR locations., STR - Short tandem repeat. 2-10 base pairs., mtDNA - DNA inherited from the maternal side of you family., Gene - Small segment of DNA that codes for a trait., Nucleotide - Repeating subunit of DNA. It is Composed of phosphate, deoxyribose sugar, and a nitrogen base., Nitrogen Base - Adenine, Thymine, Guanine, Cytosine, Junk DNA - 98.5% of our DNA that doesn't code for genes., RFLP - First type of DNA analysis to be used in a crime investigation. Requires a large sample of DNA., CODIS - FBI’s national DNA database of DNA profiles (STR’s) taken from convicted felons and DNA from crime scenes.,

Midterm Review: DNA

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