Drinking during pregnancy can alter fetus's DNA

A study of mice suggest that drinking too much during pregnancy can alter a fetus's DNA.

A researcher wondered whether epigenetic changes in DNA(alterations in gene activity) could be to blame.

A  research team bred mice with genes for either brown or yellow coat of furs that are known to be affected by epigenetics.

The offspring of mice that drank alcohol were more often brown than normally expected from their genetic sequences,suggesting that alcohol alters fetal gene activity.

The offspring of these mice also weighted less and had smaller skulls.