Fossil genes research finds Birds used to have teeth about 116 million years ago

December 15, 2014 11:18 PM

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Having understood that birds used to have teeth about 116 million years ago, scientists are now worried, and in fact researching what must have caused them to lose their teeth. The archaeopteryx, the fossil of one of the ancestors of birds found in Germany gave proof that birds descended from toothed reptiles, and this is giving researchers the evidences to work with.

Scientists found that birds lost their ability to grow teeth as a result of genetic mutation. Research proves that the combination of about six genes give rise to tooth production, but it appears these six genes have been deactivated in the bird, and hence their ability to grow their teeth.

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