The study shows that the loss of about 10,000 bits of genetic information during human evolution separates us from our closest relative, the chimpanzee. Some of the missing genetic information is closely related to genes involved in cognitive function and cell formation in the developing brain.
These genetic deletions are found and persist in all humans, suggesting their evolutionary importance.
The researchers used a technology called Massively Parallel Reporter Assays to measure the function of thousands of genetic changes between species. The findings disprove the idea that new biological functions require new DNA fragments, and show that deletion of the genetic code could have profound implications for biological benefits as well.
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Source: Ferra
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