Question

A forensic scientist finds a single skin cell from saliva on a cigarette butt left in a room where a murder has just occurred. What process might he or she utilize to accumulate enough DNA to determine who left the cigarette at the scene of the crime?

polymerase chain reaction
gene therapy
genetic engineering
gel electrophoresis
@kaylaprincess @jagr2713

Answer 1

@TheSmartOne

Answer 2

What do you think?

Answer 3

I dont think it is D but idk on the rest

Answer 4

What do you think @ksuk3322

Answer 5

Hang on let me see

Answer 6

https://www.google.com/search?q=gel+electrophoresis&rlz=1C1CHFX_enUS606US606&oq=gel+electrophoresis&aqs=chrome..69i57j0l5.1323j0j9&sourceid=chrome&es_sm=93&ie=UTF-8

Answer 7

so D?

Answer 8

I was just explaining which one is which because you said you weren't sure
http://www.ncbi.nlm.nih.gov/probe/docs/techpcr/ - polymerase chain reaction
http://ethics.missouri.edu/gene-therapy.aspx - gene therapy and genetic engineering

Answer 9

o so what do you think

Answer 10

You are right it is D

Answer 11

it is?

Answer 12

yes

Answer 13

was it correct @18jonea

Answer 14

not sure yet still have to figure one more question out will you help me

Answer 15

ok post the next one