BRCA1 and microcephaly: Subsequent review of medical and photographic records revealed that the patient had abnormalities including microcephaly, macrognathia, and developmental delay; moreover, the patient had a severe response to carboplatin treatment that was more reminiscent of the response seen for biallelic BRCA1‐mutant mice than heterozygous human patients [Domchek et al., 2013].