Skeletal Defects, Genital Hypoplasia, and Impaired Intellectual Development, is also known as skeletal defects, genital hypoplasia, and mental retardation. An important gene associated with Skeletal Defects, Genital Hypoplasia, and Impaired Intellectual Development is ZBTB16 (Zinc Finger And BTB Domain Containing 16). Affiliated tissues include bone, and related phenotypes are intellectual disability and delayed skeletal maturation