Plants use these epigenetic silencing mechanisms extensively to control development and parent-of-origin imprinted gene expression.
植物广泛地使用这些表观沉默机制来控制发育及亲本来源的印记基因表达。
2
The origin for these coordinates is the location of the parent object.
这些坐标点的原点是父对象的位置。
3
The problems of selection and utilization ofparent, setting of crossing, and increasing the origin of genetic composition were further analyzed and discussed in details.