All of the Following Statements Are True Regarding Inactivation of X-Chromosome

question 39

Multiple Choice

All of the following statements are true regarding inactivation of X-chromosome in mammals,except:

• A) X-chromosome inactivation begins at the X-inactivation center.
• B) All of the genes on an inactivated X-chromosome are transcriptionally silent.
• C) Inactive X-chromosomes can be easily identified in mammalian cells.
• D) The Barr body represents an inactive X-chromosome.
• E) Inactive X-chromosomes have a different pattern of distribution of acetylated histone.

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Definitions:

Emotional Learning

The process of acquiring and understanding how to perceive, express, and manage emotions effectively through experiences and interactions.

Amygdala

A section of the brain located within the temporal lobes, known for its critical role in processing emotions, memory, and survival instincts.

Thalamus

A structure in the brain located above the brainstem that acts as a relay station for sensory signals and is involved in sleep/wake cycle regulation.

Hypothalamus

The hypothalamus is a small but crucial part of the brain involved in numerous functions, including hormone release, temperature regulation, and managing hunger and thirst signals.