X inactivation starts at the X-inactivation center(XIC) and spreads throughout the chromosomes.

染色体失活开始于X染色体失活中心（XIC），然后传播到整条染色体。

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X inactivation starts at the X inactivation center (XIC) and spreads throughout the chromosome.

失活开始于XIC，然后传播到整条染色体。

youdao

X inactivation starts at the X inactivation center (XIC) and spreads throughout the chromosome.

失活开始于XIC，然后传播到整条染色体。

youdao