DNA Technologies (HSC SSCE Biology): Flashcards
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Human genome: base pairs & genes (approx.)
Human genome: base pairs & genes (approx.)
~3 billion base pairs, ~21,000 genes
DNA sequencing definition
DNA sequencing definition
Determining precise order of nucleotides (A, T, G, C) in DNA
DNA profiling definition
DNA profiling definition
Determining organism's unique DNA profile as series of bands
Sanger method alternative name
Sanger method alternative name
Dideoxy DNA (ddDNA) sequencing
ddNTPs function
ddNTPs function
Chain-terminating nucleotides that stop DNA synthesis
STRs (Short Tandem Repeats)
STRs (Short Tandem Repeats)
Non-coding DNA sections with repeated sequences that vary
Developer of DNA profiling
Developer of DNA profiling
Sir Alec Jeffreys
Chance of identical DNA profile (unrelated people)
Chance of identical DNA profile (unrelated people)
Less than 1 in 1 billion
Gel electrophoresis: which fragments move faster?
Gel electrophoresis: which fragments move faster?
Shorter fragments move faster; longer fragments slower
PCR (polymerase chain reaction) purpose
PCR (polymerase chain reaction) purpose
Amplifies/increases amount of DNA