If a cell has two X chromosomes, XIST will become active in one of them, producing a special type of regulatory RNA molecule known as long noncoding RNA..

Question

Quizplus · Accepted Answer

XIST (X-inactive specific transcript) is indeed responsible for producing long noncoding RNA, which plays a crucial role in the inactivation of one of the X chromosomes in female mammals, ensuring dosage compensation between males (XY) and females (XX).

If a Cell Has Two X Chromosomes, XIST Will Become