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Xenopus laevis

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Xenopus laevis
a toad used in the test of pregnancy in women. Called also African clawed toad.


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Xenopus laevis embryo/larvae up to 4 weeks old were used for the experiment.
The scientists have identified a compound which, when introduced into Xenopus Laevis tadpoles, blocks the movement of the pigment cells that give the tadpoles their distinctive markings and which develop into the familiar greenish-brown of the adult frog.
 
 
 
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