Studied by 49 peopleno two people have the same DNA except for…
identical twins
DNA is considered to be..
individual evidence
how can DNA be collected?
skin, blood, saliva, urine, semen, hair
what is DNA fingerprinting aka DNA profiling used for
criminal and legal cases to determine identity or parentage
DNA stands for
deoxyribonucleic acid
where is DNA located
nucleus
what does DNA carry
organisms genetic information
DNA is a polymer that consists of many monomers called
nucleotides
what are the three parts of a nucleotide
phosphate group, deoxyribose (sugar), nitrogen-containing base
how many types of DNA are there
4
what are the types of DNA
Thymine, Cytosine, Adenine, Guanine
the amount of adenine equals the amount of..
thymine
the amount of cytosine equals the amount of
guanine
DNA is bundled into structures called
chromosomes
how many pairs of chromosomes are in humans
23
what does each pair of chromosomes contain
one from mom and one from dad
each chromosome contains 100s to 1000s of information blocks called…
genes
different versions of genes
alleles
central dogma
DNA → RNA → proteins
replication
DNA → DNA
transcription
DNA → RNA
translation
RNA→ protein
proteins determines…
trait
everyones DNA sequence is…
unique
CODIS
national database that DNA is entered to
DNA profiling
a process or technique of analysis that reveals unique patterns of an individuals DNA
short tandem repeats (STRs)
short repeated sequences of DNA located on non-coding loci
what is STR used for?
to compare allele repeats at specific loci in DNA
DNA extraction
cells broken down to release DNA
what are common concerns in forensics
quality of sample, mistakes and inaccuracy, interpretation, evidence from criminal investigations, cost effective, ethics
Note
Flashcard