A Knockout Mutation in the X-Inactive Specific Transcript (XIST)lncRNA of Mice

question 8

Multiple Choice

A knockout mutation in the X-inactive specific transcript (XIST) lncRNA of mice would result in

• A) one inactivated X chromosome in female mice.
• B) the inhibited transcription and translation of X-linked proteins.
• C) two inactive X chromosomes in female mice.
• D) two active X chromosomes in female mice.

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Definitions:

Strict-liability

A legal doctrine in tort law that holds a party responsible for their actions or products, without the need to prove negligence or fault.

Inherently Dangerous

Activities or items possessing potential for significant harm due to their nature.

Unreasonable Risk

A level of danger that exceeds what is considered acceptable or appropriate under given circumstances.

Negligent

Failing to take proper care in doing something, leading to damage or harm to others.