Epigenetic changes are part of normal development.

表徵遗传变化是正常发育一部分。

And this silencing of the maternal copies is an epigenetic process.

这种母源基因沉默是一种表观遗传学过程。

What all these epigenetic markers are doing remains obscure.

这表观遗传学标志物到底都做了什么目前仍然不清楚。

Even social experiences can cause epigenetic changes.

甚至社交经验成表徵遗传变化。

Epigenetics is the study of how your environment can chemically modify your genes.

表遗传学是一门研究环境如何通过化学方式改变基因学科。

These what-are-called epigenetic changes signal to the muscles to, well, tone up.

这所谓表现遗传变化信号会使肌肉更强壮。

Working out which epigenetic changes wrought by exercise are important, and which incidental, will take time.

找出哪基因后天改变是由运动成是至关重，及哪是偶发，这都需时间。

Most epigenetic marks are erased when egg and sperm cells are formed.

当卵子和精子细胞形成时， 大多数表徵遗传标记会被去除。

But even though epigenetic changes are sticky, they're not necessarily permanent.

但是即使表观基因变异是令人不满，它们不是永久。

Over time, through this epigenetic reprogramming, some cells develop into heart cells, and others into liver cells.

一段时间后，通过表观遗传学重新运作，一细胞成长为心脏细胞，其他成为肝脏细胞。

Now, 15 years of collaboration with neuroscience and epigenetics said yes, our brains change when you train in altruism.

神经科学和表观遗传学 长达15年合作表明，改变可发生，当你接受利他精神训练时， 你大脑会发生改变。

So epigenetic silencing of a gene means turning it off while keeping the DNA sequence itself the same.

基因表观沉默是指，在DNA核苷酸序列不变情况下，抑制基因表达。

The epigenetic changes caused by one single mother rat were passed down to many generations of rats after her.

一个鼠妈妈导致表观遗传变异会被传递给她后面好几代老鼠。

Scientists often use genetics and epigenetics to identify genes that might be linked to developing cute features and babies.

科学家经常使用遗传学和表观遗传学来识别可与可爱特征和婴儿发育有关基因。

Most of epigenetic research has really focused on stress, anxiety, depression -- kind of a downer, kind of bad things.

大多数表观遗传学研究都集中在压力，焦虑，抑郁上—某种负面情绪，某种不好事情。

Environmentally-induced epigenetic changes are part of the reason why genetically identical twins can grow up to have very different lives.

环境诱导表观基因变异是其中一个原因为什么基因相同双胞胎在长大后拥有不同人生。

These vastly different fields share a common connection -- epigenetics.

这截然不同领域有一个共同联系——表观遗传学。

One of the hallmarks of ageing  is epigenetic change.

戴维：衰老标志之一是表观遗传变化。

Boosters claim that epigenetic rejuvenation could halt or reverse it.

支持者声称表观遗传复兴可阻止或逆转这种情况。

Sarah Richardson's book The Maternal Imprint broadens this criticism to the field of human transgenerational epigenetics more generally.

莎拉·理查森 (Sarah Richardson) 著作《母性印记》(The Maternal Imprint) 将这种批评更广泛地扩展到了人类跨代表观遗传学领域。