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by TeaBrain
555 days ago
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It looks like it actually reverses sexual characteristics without reversing chromosomes, meaning the males that have reversed sexual characteristics are still technically genetically male. "The resulting larvae were all male when raised to metamorphosis and sampled (n = 100), confirming that atrazine-induced females were, in fact, chromosomal males. Furthermore, atrazine-induced females lacked the DM-W further confirming that these atrazine-induced females were indeed chromosomal males (Fig. 2). These ZZ females expressed gonadal aromatase, as did true ZW females (n = 4, from our stock colony), but ZZ males (n = 8, control or treated) did not" https://pmc.ncbi.nlm.nih.gov/articles/PMC2842049/ |
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The frogs ARE genetically male. They are female (or neither) as a result of development.