J.K. Baillie et al., “Somatic retrotransposition alters the genetic landscape of the human brain,” Nature, 479:534-37, 2011. Mobile genetic elements may be a source of DNA sequence variation in normal ...

This creates mosaicism in our body," explains Dr. Anchel ... Furthermore, explosive neurogenesis in the developing brain can ...

Could two pieces of a stone mosaic ever be identical? Of course, the answer is no--and each stone’s variation subtly contributes value to the finished work. Why should your cells be any different?

Mosaic Down syndrome appears when only some body cells contain an extra chromosome, while in translocation Down syndrome, chromosome 21 combines with another chromosome. How an Extra Chromosome ...

I went to Pompeii. I did not particularly want to go to Pompeii, but we were on vacation in Italy, and my partner wanted to go, and so I obliged. We could eat in Naples, I reasoned. Then even if I did ...

Cell division is a risky business. DNA damage unavoidably accompanies the enormous number of cell divisions required to generate the human body from a single fertilized egg. In most tissues, cell ...