Multiple Choice
In a typical differentiated (specialized) human somatic cell, approximately what percentage of the genome’s genes are actively expressed (transcribed) at any given time?
7. Gene Expression
Basics of Gene Expression Control
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In the context of gene expression control, a cell described as having an upregulated gene most directly has an increase in which of the following?
A
The number of chromosomes in the nucleus
B
The rate of DNA replication at that gene's locus
C
The frequency of random point mutations in that gene
D
Transcription of that gene, leading to higher levels of its mRNA
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