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News Item:
There are ghosts in the genome

The view that animals have become more complex over time could be a thing of the past, according to the latest research.

The new evidence, from scientists at the University of St Andrews, suggests that some modern day animals may have evolved instead by becoming less complex.

The researchers say that the discovery, of ghostly remains of gene neighbourhoods that once existed in a 550million year old ancestor, suggests that the earliest animal was more complex than previously thought.

The findings, published later today (Thursday 27 September) in the journal, Current Biology, appear to contradict the common perception of evolution – that creatures have advanced by becoming genetically more complex over time.


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