Interaction between genetic, external and parasitic factors in sex determination of the crustacean amphipodGammarus duebeni

@article{Bulnheim2006InteractionBG,
  title={Interaction between genetic, external and parasitic factors in sex determination of the crustacean amphipodGammarus duebeni},
  author={H. -P. Bulnheim},
  journal={Helgol{\"a}nder wissenschaftliche Meeresuntersuchungen},
  year={2006},
  volume={31},
  pages={1-33}
}
Sex determination inGammarus duebeni duebeni was analyzed by breeding experiments conducted with individuals obtained from various populations. Sex ratio of progeny depends on genetic factors and photoperiod. Generally, a preponderance of males was noted when offspring were raised under long-day photoperiods, whereas females prevailed under short-day photoperiods (Bulnheim, 1967, 1969). Based on these previous studies the critical daylength, the transition point at which the photoperiodic… CONTINUE READING

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