• medaka
  • After verifying this "RAD-sex" method on medaka ( Oryzias latipes ), we studied two domesticated zebrafish strains (AB and TU), two natural laboratory strains (WIK and EKW), and two recent isolates from nature (NA and CB). (genetics.org)
  • ratio
  • SEX ratio is a central demographic parameter directly related to the reproductive potential of individuals and populations ( P enman and P iferrer 2008 ). (genetics.org)
  • The equilibria fall along a curve in the space of genotype frequencies that connects the XY and ZW endpoints, and the sex ratio at all points along the curve is 1:1. (genetics.org)