Our ancient past isn't always buried history. When it comes to our DNA, nearly 9% of the human genome is made up of leftover genetic material from ancient viruses (called endogenous retroviruses or ...

The process, which would carry significant safety concerns, involves removing the nucleus from a woman's skin cell and inserting it into an egg, or oocyte. Human skin cells may one day be used to ...

Fragments of DNA left by viruses that infected our distant ancestors may be 'firestarters' for new human life, new research finds.

Over the past few decades, growing evidence has challenged the belief that inheritance is governed solely by DNA sequences. Scientists now recognize the crucial role of epigenetic inheritance—the ...

Oregon scientists used human skin cells to create fertilizable eggs, a step in the quest to develop lab-grown eggs or sperm to one day help people conceive.

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