Editor’s Note: A Naturally Heteroplasmic Clam Provides Clues about the Effects of Genetic Bottleneck on Paternal mtDNA

Please note that the article “A Naturally Heteroplasmic Clam Provides Clues about the Effects of Genetic Bottleneck on Paternal mtDNA”, https://doi.org/10.1093/gbe/evab022, was originally intended to appear in this issue's Special Section, Within-individual genome variation and germline/soma distinction.

Due to a production error, this article was published early and included in Genome Biology and Evolution, Volume 13, Issue 3, March 2021. We apologize for this error.