Human genes often best Neandertal ones in brain, testes

Researchers measured activity in people who have one version of each gene

Neandertal brain

BRAIN ACTIVITY  Human versions of some genes are more active in certain parts of the brain than Neandertal versions. Side and back views of a brain show that activity levels of the Neandertal version of a gene called NTRK2 are lower in the cerebellum (blue area in lower back) than in other regions.

R.C. McCoy, J. Wakefield and J.M. Akey/Cell 2017

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