Mutations in scn9a, a voltage-gated k+ channel can lead to individuals not being able to perceive pain.
a. true
b. false

False.

Explanation:

SCN9A gene may be defined as a type of transcription factor responsible for the regulation of the voltage gated sodium channels. These genes are mainly expressed in nociceptive or pain receptor.

The mutation in SCN9A may disrupt the functioning of voltage gated sodium channels and not related with voltage gated potassium channels. The person is not able to feel the pain due to mutation on SCN9A gene.

Thus, the correct answer is option (b).

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