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J Exp Zool. 1993 May 1;265(6):679-83.

Temperature-dependent sex determination in the leopard gecko, Eublepharis macularius.

Author information

1
Indiana University, Bloomington 47405.

Abstract

The leopard gecko, Eublepharis macularius, has temperature-dependent sex determination (TSD). Previous reports have shown that females are produced predominantly at cool incubation temperatures and males are produced predominantly at warm incubation temperatures (Pattern Ib). We report here that incubation at even higher temperatures (34 and 35 degrees C) produces mostly females (Pattern II). The lethal maximum constant incubation temperature for this species appears to be just above 35 degrees C. Although a previous study indicated that females from a warm incubation temperature (32 degrees C) failed to lay eggs, we found that 12 of 14 mature females incubated at 32.5 degrees C, and 5 of 6 mature females incubated at 34 degrees C produced fertile eggs and viable hatchlings.

PMID:
8487018
DOI:
10.1002/jez.1402650610
[Indexed for MEDLINE]

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