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Hybridization of diverged taxa often result in lethality or sterility. We previously described natural variation for postzygotic incompatibility in the cross of diploid Arabidopsis thaliana to Arabidopsis arenosa. Hybrid seed death in this system has a complex genetic basis, involving many non-addit...
ORGANISM(S): Arabidopsis thaliana 
Background: Normal tissue in a tumor-bearing organ shows morphological and molecular differences from normal tissue in a tumor-free organ. One explanation to this is that tumors actively instruct adjacent normal tissues to support growth and invasion. The aim of this study was to examine if changes ...
ORGANISM(S): Homo sapiens 
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