PCDH19 and epilepsy: The inactivation of other epilepsy-associated genes did not result in significant morphological deficiencies, with the exception of gabra1 and pcdh19 crispants (minor but significant decrease in body length) and kcnq2a and kcnq2b crispants (minor but significant increase in body length and eye diameter) (Supplementary Figure S3 and Supplementary Table S2).