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Reptile Reproduction - Anatomy & Physiology (view source)
Revision as of 14:03, 23 July 2008
, 14:03, 23 July 2008→Sex Determination
** Oestrogen then binds the its receptor on the gonads to create females.
** Oestrogen then binds the its receptor on the gonads to create females.
** To create males, enzymes convert testosterone to dihydrotestosterone, which binds to androgen receptors on the gonads.
** To create males, enzymes convert testosterone to dihydrotestosterone, which binds to androgen receptors on the gonads.
==== Crocodiles ====
==== Crocodiles ====
* Produce females at both high and low temperatures and males at intermediate temperatures.
* Produce females at both high and low temperatures and males at intermediate temperatures.
* E.G in alligators:
* E.G in alligators:
** Incubation at 30
** Incubation at 30ºC produces all females which hatch at 74 days.
** Incubation at 33ºC produces all males which hatch at 62 days.
** Incubation at 34.5ºC produces all females that hatch faster.
==== Chelonia ====
==== Chelonia ====
==== Lizards ====
==== Lizards ====
== [[Reptile Reproductive Anatomy and Physiology- Chelonia - Anatomy & Physiology|Tortoises, Turtles & Terrapins (Chelonia)]] ==
== [[Reptile Reproductive Anatomy and Physiology- Chelonia - Anatomy & Physiology|Tortoises, Turtles & Terrapins (Chelonia)]] ==