Question

All EXCEPT which one of the following are mechanisms involved with X inactivation in humans? It involves the X inactivation center (Xic), which is expressed only on the X chromosome that remains active. It involves the X inactivation center (Xic), which is expressed only on the X chromosome that is inactivated. It involves the gene X-inactive specific transcript (XIST).

Answer 1

The correct answer is this one: "It involves the X inactivation center (Xic), which is expressed only on the X chromosome that is inactivated." All the following mechanisms involved with X inactivation in humans which includes (1) it involves the gene X-inactive specific transcript (XIST) and (2) it involves the X inactivation center (Xic), which is expressed only on the X chromosome that remains active.