Genetics. Jumping DNA mixes it up in the developing brain.
Miller
Greg
G
D000818:Animals; D001921:Brain / Q000166:cytology* / Q000254:growth & development*; D002454:Cell Differentiation; D002478:Cells, Cultured; D005786:Gene Expression Regulation; D006801:Humans; D020084:Long Interspersed Nucleotide Elements; D051379:Mice; D008822:Mice, Transgenic; D009474:Neurons / Q000166:cytology* / Q000502:physiology; D051381:Rats; D013234:Stem Cells / Q000166:cytology* / Q000502:physiology