Exam 7: Human Birth Defects

________ Female with chromatin-negative nuclei

________ The most common numerical autosomal abnormality

________ Normal female appearance and usually fertile

________ Potent teratogen that affects limb development

________ Strong association with late maternal age

________ Webbed neck and short stature

________ May cause masculinization of female fetuses

________ Antitumor agent and potent teratogen

________ Mental deficiency (retardation),low-set ears,and early postnatal death

________ Sterile male with chromatin-positive nuclei

________ Mental retardation,simian crease,and heart defect

________ Mother may be infected with it by eating poorly cooked meat

________ Small testes and hyalinization of the seminiferous tubules

________ Intracellular parasite often found in cats