Intra- and interspecific genome-size variation in the Salmonidae. Academic Article uri icon

abstract

  • The nuclear DNA contents of 22 salmonid taxa, estimated primarily by flow-cytometric analysis relative to a chicken internal standard, were evaluated to compare intra- and interspecific variation in DNA content within this fish family. The average variability within taxa exceeded that among taxa. Intraspecific genome-size variation was substantial and, in some cases, exceeded the mean genome size for the species. The flow-cytometric method used here allows for rapid and reliable comparison of nuclear DNA contents within and among individuals from natural animal populations.

author list (cited authors)

  • Lockwood, S. F., & Derr, J. N.

publication date

  • January 1, 1992 11:11 AM