This area is key to understanding how the Americas were populated,' said ... While Checua males carried a common Native American Y-DNA signature (Q1b1a), the rest of their genetic profile showed deep ...

A deeper understanding of how DNA changes over generations helps scientists learn why people differ and how diseases develop.

Build a Family Tree (Men Only) by Marti Louw The Y chromosome is the keeper of family history on the male side. Written in the letters of DNA, it carries a record of a man's paternal ancestors.

Light bulb moment for understanding DNA repair switches. ScienceDaily. Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2025 / 04 / 250414124702.htm. University of Birmingham.

Scientists from Delft, Vienna, and Lausanne discovered that the protein machines that shape our DNA can switch direction. Until now, researchers believed that these so-called SMC motors that make ...