(University of California - Riverside) Female cells randomly and permanently shut off one of the X chromosomes during embryonic development through a process called X chromosome inactivation, or XCI. Just how XCI occurs has remained unclear -- until now. New research performed on mouse female embryonic stem cells by scientists at the University of California, Riverside, traces the origin of XCI to an RNA splicing mechanism.
from EurekAlert! - Social and Behavioral Science https://ift.tt/2tw6Y5a
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