Copy number variations (CNVs) are a pervasive form of genomic variation that entail duplications or deletions of DNA segments ranging from kilobases to megabases. In animal genomes, CNVs contribute ...
Ribosomal DNA (rDNA) is present in hundreds of copies in the genome, but has not previously been part of genetic analyses. A new study of 500,000 individuals indicates that people who have more copies ...