The Expression of a Gene at an Abnormal Place or Time

question 51

Multiple Choice

The expression of a gene at an abnormal place or time is called

• A) epistasis.
• B) ectopic.
• C) epigenetic.
• D) expressivity.
• E) erratic.

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Definitions:

Transform Boundaries

Places where two tectonic plates slide past each other horizontally.

Mid-ocean Ridges

Undersea mountain chains formed by the upwelling of magma between diverging tectonic plates, a key site of seafloor spreading.

Continental Margins

The zones of transition between the landmasses of continents and the deep-sea floors, including the continental shelf, slope, and rise.

Island Arcs

Curved chains of volcanic islands that form along the convergent boundaries of tectonic plates, typically over a subducting plate.