In an case of real life imitating Hollywood, the US scientific community is increasingly concerned that two nonnative python
breeds currently slithering free in south Florida could morph into a giant man-eating swamp coil.
The capture of five African rock pythons recently near an Everglades
already teeming with the gentler Burmese pythons has scientists worried
about so-called "hybrid vigor" – a phenomenon that occurs when
interbreeding uncorks volatile recessive genes, passing traits such as
aggression onto the offspring. Think Africanized bees.
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