TY - CHAP M1 - Book, Section TI - Chapter 538. Normal Human Sex Differentiation A1 - Grumbach, Melvin M. A2 - Rudolph, Colin D. A2 - Rudolph, Abraham M. A2 - Lister, George E. A2 - First, Lewis R. A2 - Gershon, Anne A. PY - 2011 T2 - Rudolph's Pediatrics, 22e AB - Phenotypic sex is determined by a sequential process that involves the establishment of chromosomal and genetic sex in the zygote at conception, gonadogenesis and the determination of gonadal sex (sex determination), and sexual differentiation of the genital tract and external genitalia as programmed by gonadal sex.1 Divergent differentiation from the sex chromosome constitution is possible at each level of sexual organization. Table 538-1 considers the hierarchal ontogeny of sex from chromosomal sex to gender identity. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/20 UR - accesspediatrics.mhmedical.com/content.aspx?aid=7054293 ER -