This Human-Specific Gene Can Induce the Formation of Additional Neural

question 34

Multiple Choice

This human-specific gene can induce the formation of additional neural progenitor cells and thereby a thicker cortex.

• A) ARHGAP11B
• B) GAP43
• C) Sox3
• D) Shh
• E) CREB

---

Definitions:

Semicircular Canals

Structures within the inner ear that are key to maintaining balance and sensing head rotation.

Ossicles

A set of three small bones in the middle ear that transmit sound vibrations from the eardrum to the inner ear.

Tectorial Membrane

The tectorial membrane is a structure located within the cochlea of the inner ear; it plays a critical role in the auditory system by interacting with hair cells to facilitate hearing.

Basilar Membrane

A narrow, membrane within the cochlea of the inner ear, playing an essential role in sound perception by vibrational frequency analysis.