Sentences with phrase «environment alters the expression»

The two - step process of TILT — getting sick upon toxicant exposure and failing to get well — may be driven by epigenetic changes, which occur when the environment alters the expression of genes without changing the core DNA code itself.

Not exact matches

«This is the first example of how early environment can alter gene expression without mutating the gene itself,» Jirtle says.

In addition, a small pilot study of 20 sibling pairs with extremely dissimilar problem behavior will investigate whether environments alter gene expression.

Although an interaction was established between the type of care (institutional vs. family) and genetic moderation factors, with a protective factor of the 5HTT / allele genotype for high scores on attachment disorganisation in institutionalized children, the authors noted that it is not clear if genetic factors can protect some children in adverse environments or if the experience of being raised in these environments can alter the expression of the gene.