Genetics

Like a cut-and-paste tool, gene editing transforms research

Gene editing is getting fresh attention thanks to a successful lab experiment with human embryos. But for all the angst over possibly altering reproduction years from now, this technology already is used by scientists every ...

Obstetrics & gynaecology

Human reproduction likely to be more efficient than previously thought

How difficult is it to conceive? According to a widely-held view, fewer than one in three embryos make it to term, but a new study from a researcher at the University of Cambridge suggests that human embryos are not as susceptible ...

Genetics

For keeping X chromosomes active, chromosome 19 marks the spot

After nearly 40 years of searching, Johns Hopkins researchers report they have identified a part of the human genome that appears to block an RNA responsible for keeping only a single X chromosome active when new female embryos ...

Genetics

Genetic choreography of the developing human embryo

Years ago, when I was teaching at a state university, I had the privilege to show real human embryos and fetuses to my genetics classes. An obstetrician back in the 1950s had saved them after patients had miscarried, with ...

Obstetrics & gynaecology

New technique takes guesswork out of IVF embryo selection

Researchers at the University of Adelaide have successfully trialed a new technique that could aid the process of choosing the "best" embryo for implantation, helping to boost the chances of pregnancy success from the very ...

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