Prader- Willi and Angelman Syndromes Are Caused by Which Type

question 11

Multiple Choice

Prader- Willi and Angelman syndromes are caused by which type of chromosomal mutations, both in connection with chromosome 15?

• A) random X- inactivation
• B) trisomy
• C) monosomy
• D) uniparental disomy
• E) mosaicism

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Definitions:

Dorsal

Dorsal refers to the back side of an organism or the top side in organisms that move horizontally, opposite to the ventral side.

Orbital

Referring to the orbitofrontal cortex, a region of the brain involved in decision-making and processing of rewards and emotions.

Split-brain Patient

A split-brain patient is an individual who has had the corpus callosum, the main connection between the brain's two hemispheres, surgically severed to some degree, often used to treat severe epilepsy, leading to unique insights into brain function.

Visual Field

The total area in which objects can be seen in the peripheral vision while the eye is focused on a central point.