Multiple Choice
Which term refers to a contiguous genetic complex that is under coordinated control?
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3. Extensions to Mendelian Inheritance
Overview of interacting Genes
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Insertion sequences typically target which regions on a target DNA sequence?
A
Centromeric regions only
B
Random sites throughout the genome
C
Only promoter regions of genes
D
Exclusively coding sequences
Verified step by step guidance1
Understand what insertion sequences (IS elements) are: they are short DNA sequences that can move around within the genome, acting as simple transposable elements.
Recall that insertion sequences do not have a strong preference for specific functional regions like centromeres, promoters, or coding sequences; instead, they tend to insert at various locations.
Recognize that the key characteristic of IS elements is their ability to insert at random sites throughout the genome, which can sometimes disrupt gene function or regulation.
Eliminate options that specify exclusive targeting of centromeric regions, promoter regions, or coding sequences, since IS elements are not restricted to these areas.
Conclude that the correct understanding is that insertion sequences typically target random sites throughout the genome.
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