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?

The findings “highlight that mosaicism may be more common than we had appreciated so far,” geneticist Anne Goriely of the University of Oxford wrote in an e-mail to The Scientist. “The main value of ...

They prevent alterations in the genome, known as mosaicism. An international research team led by scientists of the Centre ...

(A) Hypothetical pedigree of Segmental neurofibromitosis type 1, and (below) molecular analysis showing somatic mosaicism. The three-generation pedigree illustrates the occurrence of a sporadic ...