FRSC 2600: DNA EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED

FRSC 2600: DNA EXAM QUESTIONS AND ANSWERS

WITH COMPLETE SOLUTIONS VERIFIED


Colin Pitchfork Case

the first person to be convicted of a crime based on DNA fingerprinting evidence

Sir Alec Jeffreys

developed the first DNA profiling test in 1984; technique was used in colin pitchfork

case

John M. Butler

the leading expert on DNA typing



currently a fellow at the National Institute of Standards and Technology

Tommy Lee Andrews

1st US conviction based on DNA fingerprinting

DNA

-deoxyribonucleic acid

-chemical blueprint

-half from mom, half from dad

-varies from person to person

-double helix structure

Four bases of DNA

adenine, cytosine, guanine, thymine

, What is DNA composed of?

nucleotides

GC

triple bond

AT

double bond

How many chromosomes do humans have?

46; 22 pairs + sex determining chromosome

What do genes code for?

traits (hair color, eye color, etc.)

Genes are responsible for

maintenance of cells, immune responses, structure of cells, functioning of cells

Chromosomes involve...

genes (coding sequences) and areas between genes (non-coding sequences)

Locus

Location of a gene on a chromosome

Allele

number of repeats

STR

short tandem repeats

Heterozygous

Different repeats (7.8)

Homozygous