For more than five centuries, Leonardo Da Vinci has been celebrated as a visionary artist, scientist, and inventor, known for ...

Haploid markers from mitochondrial DNA and the Y chromosome have proven invaluable for generating a standard model for evolution of modern humans. Conclusions from earlier research on protein ...

Archaeological sites such as the Franchthi Cave on the Argolid peninsula have provided evidence of continuous human occupation ... carried mitochondrial DNA haplogroups, such as U5 and K, among the ...

This analysis hinges on the fact that, as Dr. Kotli explained, “we humans have two copies of the amelogenin gene: one on the X chromosome and one on the Y.” Those with two X-chromosomes would ...

Height is one of the most evident sex-based differences observed in humans, as men are on an average 13 cm (5 inches) taller ...

A unique feature of HR is that it repairs the damage to the DNA in a highly accurate way. In eukaryotic cells (those with a ...

The Y chromosome can disappear over time in human males, which may introduce a number of health problems. While the exact trigger for such degeneration is unknown, environmental factors can play a ...

A new study provides new insight into height differences between adult men and women, demonstrating that Y chromosome genes contribute more to height than their X chromosome counterparts.

Scientists have identified a new pod of ancient people who lived near the land bridge between North America and South America ...