Length of pregnancy alters the child’s DNA

Researchers from Karolinska Institutet in Sweden have together with an international team mapped the relationship between length of pregnancy and chemical DNA changes in more than 6,000 newborn babies. For each week’s longer pregnancy, DNA methylation changes in thousands of genes were detected in the umbilical cord blood. The study is published in Genome Medicine. Continue reading “Length of pregnancy alters the child’s DNA”

The Tianyuan Cave man; the earliest (40,000 yBP) ancient DNA from East Asia and what we have learned from it

The biological makeup of humans in East Asia is shaping up to be a very complex story, with greater diversity and more distant contacts than previously known, according to a  study analyzing the genome of a man that died in the Tianyuan Cave near Beijing, China 40,000 years ago. Continue reading “The Tianyuan Cave man; the earliest (40,000 yBP) ancient DNA from East Asia and what we have learned from it”

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