A subscription may be required. Ohno, Susumu.
Proceedings of the Royal Society B. If the larva is attracted to a female's proboscis, it travels along the tube until it enters the female's body. Help Community portal Recent changes Upload file. Moreover, the sensitive time for the effects of estrogens and their inhibitors coincides with the time when sex determination usually occurs Bull et al.
Keywords: Sex determinationReptilesTurtlesHormones.
Proceedings of the Royal Society B. At least one monotremethe platypuspresents a particular sex determination scheme that in some ways resembles that of the ZW sex chromosomes of birds and lacks the SRY gene. This correlation is seen to hold under natural conditions as well.
Proceedings of the National Academy of Sciences. Similarly, injecting eggs with inhibitors of estrogen synthesis will produce male offspring, even if the eggs are incubated at temperatures that usually produce females Dorizzi et al. Clear Turn Off Turn On.
Help Community portal Recent changes Upload file. The consequences of TSD on fitness, or reproductive success, are largely unknown. Global Change Biology. One remarkable finding is that the injection of an aromatase inhibitor into the eggs of an all-female parthenogenetic species of lizards causes the formation of males Wibbels and Crews Aromatase CYP19 , which regulates gonadal estrogen levels, is proposed to be the main target of a putative thermosensitive factor for TSD.