Decay of enamel-forming gene linked to evolutionary loss of enamel

Decay of enamel-forming gene linked to evolutionary loss of enamel
Decay of enamel-forming gene linked to evolutionary loss of enamel
Mammals without teeth, or with teeth that lack enamel, also carry broken copies of a gene that is essential for producing enamel. It’s a beautiful case study of the decay of genes running in parallel to the loss of body parts.