Within-family effect of ancestry on complex traits in a Mexican population

TL;DR - A Nature study uses within-family comparisons in a genetically diverse Mexico City population to examine how ancestry relates to complex traits. It identifies significant ancestry-associated differences in outcomes including height and type 2 diabetes.

• The within-family design helps separate ancestry effects from differences between unrelated families.
• The analysis focuses on a Mexican population with substantial genetic diversity.
• Significant ancestry differences were found for complex traits such as height and type 2 diabetes.
• The findings may improve understanding of ancestry-related variation in health and other polygenic traits.