Evolution of hair Information & Evolution of hair Links at HealthHaven.com

A recent study by scientists from Medical University of Vienna traced the origins of hair to the common ancestor of mammals, birds and lizards that lived 310 million years ago. The study found chickens, lizards and humans all possessed a similar set of genes that was involved in the production of keratin. In chickens and lizards, the keratin produced was found in their claws, but in mammals it was used to produce hair. The scientists involved were still searching for the mechanisms that allowed mammals to use the keratins of animal claws to produce hair.^[1]^[2]

[edit] References

^ Human hair linked to dinosaur claws Origins of hair go back 310 million years to common ancestor
^ Eckhart L, Valle LD, Jaeger K, et al. (November 2008). "Identification of reptilian genes encoding hair keratin-like proteins suggests a new scenario for the evolutionary origin of hair". Proceedings of the National Academy of Sciences of the United States of America 105 (47): 18419–23. doi:10.1073/pnas.0805154105. PMID 19001262.

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[0] Human hair linked to dinosaur claws Origins of hair go back 310 million years to common ancestor

[1] Eckhart L, Valle LD, Jaeger K, et al. (November 2008). "Identification of reptilian genes encoding hair keratin-like proteins suggests a new scenario for the evolutionary origin of hair". Proceedings of the National Academy of Sciences of the United States of America 105 (47): 18419–23. doi:10.1073/pnas.0805154105. PMID 19001262.

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