Study shows that homozygous mutations of c.263T > A, c.2480_2482delTTG, and c.4071G > A in KIF14 have been found in three MCPH families, and KIF14 c.2545C > G and c.3662G > T complex missense mutations have been found in a patient with severe MCPH (Moawia et al., 2017). Here, KIF14 is linked to autosomal recessive primary microcephaly.