PSB-4731 Study Guide - Quiz Guide: Zona Pellucida, Acrosome Reaction, Gonadal Ridge
Document Summary
Sperm binds to zona pellucida, penetrates zona p, fusion of sperm to egg membranes, nucleus of sperm enters cytoplasm of egg. Hatches from zona pelucida, develops a fluid-filled cavity, & implants in wall of uterus about the 6th day after conception. Possess both ovarian and testicular tissue within gonad. Early inactivation of either the maternal or paternal. Ducts stimulated by testosterone, develop into the epididymis, vas deferens, ejaculatory ducts, and seminal vesicles. Tissues from inner labia fuse shaft of penis. (xo) individuals are phenotypic females who do not enter puberty and are infertile. Mutations, monosomy, aneuploidy (when chromosomes do not separate properly: describe androgen insensitivity syndrome: its cause and symptoms. Xy; mutation of gene for androgen receptor (on x chromosome); insensitive to t, normal testes, wolffian fail (no t-receptor), mullerinan ducts inhibited by amh. Phenotypically female, but infertile: describe congenital adrenal hyperplasia (cah): defect in enzyme that leads to cortisol.
