Sentences with phrase «facial shape variation»

Not exact matches

And the variation in skull size and facial shape is no greater than in other species, including both modern humans or chimps, says Ponce de León — especially when the growth of the jaw and face over a lifetime are considered.

Several lines of evidence suggest that a person's facial shape is controlled by one's genes, but scientists don't yet understand how genetic variation contributes to the range of healthy shapes and sizes that human faces take.

Many medical - genetic syndromes show a clear connection between genetic alteration and typical facial gestalt [49], hence genes involved in affected individuals may also contribute to normal variations in facial shape.