Atrazine and the Sexual Differentiation of the
Brain and Gonads
of Two South Florida Anurans

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Toads as Models

Goals

Collection Sites

GONADS

Sexual Differentiation
of the Gonads
of the Toad

Organization and Activation

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When does sexual differentiation of the gonads of Bufo quercicus and Bufo marinus take place?

Will atrazine affect the sexual differentiation of the gonads?

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Atrazine Dosage Experiment

Methods

THE BRAIN

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Sexual Differentiation of the Brain

AVT

When does sexual differentiation of the brain occur in B. quercicus and B. marinus?

Does atrazine affect the sexual differentiation of the brain and gonads of
B. quercicus and B. marinus?