This Rare Condition Was the First to Be Experimentally Treated

question 27

Multiple Choice

This rare condition was the first to be experimentally treated with gene therapy.

• A) sickle-cell anemia
• B) Down syndrome
• C) SCID
• D) AIDS

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Definitions:

South of Alaska

A geographic region located to the south of Alaska, characterized by a variety of landscapes including coastal areas, forests, and mountains.

Mid-Ocean Ridge

A submerged chain of mountains created by the movements of tectonic plates, where volcanic processes generate new sea floor.

Magnetic Stripes

Patterns of magnetic anomalies found on the ocean floor, parallel to mid-ocean ridges, that record reversals of the Earth's magnetic field.

Triple Junction

The place where three tectonic plates, and three plate-tectonic boundaries, meet.