L 1 2 3 Locus A Locus B L = Standard marker 1 = Suspect 1 2 = Suspect 2 3 = DNA from crime scene

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Someone broke into the bookstore and stole thousands of dollars’ worth of textbooks. Some hairs were left behind, from which DNA was extracted. An individual was caught with all five of the stolen textbooks in his bag. He claims his friend gave them to him.

 

You decide to amplify two regions of the DNA (two loci, plural of locus) and digest the samples, and get the following result on the electrophoresis gel.

L = Standard marker

1 = Suspect 1

2 = Suspect 2

3 = DNA from crime scene

(Note: assume bands that are close in distance traveled are the same length. Higher concentrations of DNA can make a band appear to travel farther.)

 

Which band patterns are similar?

L 1 2 3
Locus A
Locus B
L = Standard marker
1 = Suspect 1
2 = Suspect 2
3 = DNA from crime scene
Transcribed Image Text:L 1 2 3 Locus A Locus B L = Standard marker 1 = Suspect 1 2 = Suspect 2 3 = DNA from crime scene
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