adj.后成的；外遗传的；后生的；渐成的

Epigenetic changes can be influenced by environmental factors like diet and stress.
表观遗传变化可能受到饮食和压力等环境因素的影响。
DNA methylation is a common epigenetic modification that silences gene expression. (DNA甲基化是一种常见的表观遗传修饰，可沉默基因表达。
Researchers study histone modifications as key epigenetic regulators of gene activity.
研究者们关注组蛋白修饰，作为调控基因活性的关键表观遗传机制。
Epigenetics plays a crucial role in the development and differentiation of cells during embryonic growth.
表观遗传在胚胎发育和细胞分化过程中起着关键作用。
Transgenerational epigenetic inheritance refers to the passing down of epigenetic traits from parents to offspring.
跨代表观遗传是指父母向后代传递表观遗传特征的现象。
The exposure to certain chemicals can lead to epigenetic changes that may increase the risk of cancer.
接触某些化学物质可能导致表观遗传变化，增加患癌风险。
Cancer therapies targeting epigenetic alterations are being actively investigated for their potential to treat drug-resistant tumors.
针对表观遗传改变的癌症疗法正在积极研究，以期治疗耐药肿瘤。
Epigenetic clocks can predict an individual's biological age based on changes in DNA methylation patterns.
表观遗传时钟可根据DNA甲基化模式的变化预测个体的生物学年龄。
Gene expression can be modulated without altering the underlying DNA sequence through epigenetic mechanisms.
通过表观遗传机制，可以在不改变DNA序列的情况下调节基因表达。
Studies on epigenetics have shed light on the complex interplay between heredity and environment in shaping an organism's characteristics.
关于表观遗传的研究揭示了遗传与环境如何复杂交互塑造生物体特性。