Seeing X Chromosomes in a New Light In a female mouse’s brain, a left-to-right pattern in the silencing of the X chromosome. These patterns may influence how individual brains function. Hao Wu and Jeremy Nathans/Cell Press
That Unruly X.Chromosome That Is/This article lays out some of the limitations of DNA testing and what we are just learning about the X Chromosome data. We don't necessarily inherit a pretty from our parents.