A team of US researchers has recently discovered the evolutionary origin of the electric organ in some fish.
The group suggests that the fish transformed one of their muscles into an electric organ, which is capable of delivering a powerful electric jolt to foes. The researchers revealed a genetic blueprint of the electric eel. It is a fearsome native water creature of South America that can zap a human with an electric field of up to 6-hundred volts. The new study also found that various electric fish rely on the same genes and biological pathways to build their electric organs from a skeletal muscle. Scientists believe the electric organ first appeared in fish around 2-hundred million years ago.
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