Test: GRE Subject Test: Biochemistry, Cell, and Molecular Biology

X-chromosome inactivation occurs in females in which one X-chromosome is silenced and transcriptionally inactivated. The X-inactive specific transcript (Xist) gene is responsible for mediating this inactivation. 

1.

What does Xist encode?

Piwi-interacting RNA 

Ribosomal RNA 

MicroRNA

Protein

Long non-coding RNA

1/2 questions

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