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,...
Related questions
Question
If the researchers carry out a PCR for this gene from the CD8+ T cells, what result would you expect?
Explain.

Transcribed Image Text:Here is a second human gene, called cxx3.
The structure indicates the following: the start and end of transcription, the start codon and the stop
codon, the location of the two introns (marked with black boxes). The white boxes indicate the binding
locations of two PCR primers.
PCR CD4+ T cells
transcriptional
start site
RT-PCR CD4+ T cells
+1
RT-PCR CD8+ T cells
AIG
Size markers
The researchers carry out a FACS (Fluorescence Activated Cell Sorting) separation of human blood which
isolates a relatively pure sample of CD4+ T cells, and a relatively pure sample of CD8+ T cells, both
different types of lymphocytes. They carry out a PCR, and a semi-quantitative RT-PCR, on these cell
samples. The results are shown on the gel.
wells
+.
intron
DNA migration
V
intron
transcriptional
stop site
Į
TAA
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