You Are Tasked with Mapping the Position of Chromatin Modifications

question 127

Multiple Choice

You are tasked with mapping the position of chromatin modifications within the genome of a eukaryotic chromosome.Where would you most likely encounter regions of high DNA methylation?

• A) Within the protein-coding region of a gene
• B) On a Barr body
• C) Within the introns of every gene on the chromosome
• D) Within the exons of every gene on the chromosome
• E) Within the enhancer element of a eukaryotic gene

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Definitions:

Subduction

When tectonic plates converge, the movement of one plate beneath another into the mantle is referred to as subduction.

Continental Margins

The zones of the ocean floor that separate the thin oceanic crust from thick continental crust, including the continental shelf, slope, and rise.

Seafloor Spreading

The formation of new oceanic crust at mid-ocean ridges and its gradual movement away from the ridge.

Glaciers

Large masses of ice that form on land by the compaction and recrystallization of snow, moving slowly over time.