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The adaptive significance of temperature-dependent sex determination in a reptile

✍ Scribed by Warner, D. A.; Shine, R.

Book ID
109897194
Publisher
Nature Publishing Group
Year
2008
Tongue
English
Weight
219 KB
Volume
451
Category
Article
ISSN
0028-0836

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Sex determination in egg-laying amniotes may be fundamentally different from that of placental mammals. The mammalian ovary differentiates normally in the absence of estrogen, whereas estrogen seems to be crucial for proper ovarian development in birds, reptiles, and lower vertebrates. Estrogens are