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Many men lose their Y chromosomes as they age. It may shorten their lives.A researcher explores why men lose their Y chromosomes in cells as they age and the health implications associated with this loss.
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Science history: 'Father of modern genetics' describes his experiments with pea plants — and proves that heredity is transmitted in discrete units — Feb. 8, 1865Gregor Mendel described his experiments with pea plants and proved that genes are transmitted in discrete units, with certain fundamental laws of inheritance.
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These genes were thought to lead to blindness 100% of the time. They don't.New research finds that retinal diseases thought to map one-to-one to genetic mutations are more complicated than that.
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DNA from ancient viral infections helps embryos develop, mouse study revealsA stretch of viral DNA in the mouse genome gives cells in early-stage embryos the potential to become almost any cell type in the body.
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Leonardo da Vinci's DNA may be embedded in his art — and scientists think they've managed to extract someIn a first, scientists have extracted DNA from a Renaissance-era drawing attributed to Leonardo da Vinci, but they can't be sure that the genetic material belongs to the Italian polymath.
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5 genetic 'signatures' underpin a range of psychiatric conditionsA study suggests psychiatric disorders can share the same genetic signatures and that they may stem from shared biological mechanisms.
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Woman had her twin brother's XY chromosomes — but only in her bloodDoctors discovered a woman had "blood chimerism" after examining the chromosomes of cells from different parts of her body.
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James Watson, controversial co-discoverer of DNA's structure, dies at 97James Watson, who co-won the Nobel Prize for discovering DNA's structure, was a towering and controversial figure in science.
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Unique gene variants in the Turkana people of Kenya may help them survive harsh desert heatScientists discovered genetic variants in the Turkana that help conserve water in deserts, but these variants may now raise disease risks in urban settings, early data suggest.
