<prompt> A newborn 46 xx has external genitalia of male. All the following are the possible causes except:Placental aromatase deficiencyMaternal androgen adrenal tumorAnti mullerian hormone deficiencyWnt 4 mutation  <response>: Anti mullerian hormone defeciency causes persistance of mullerian ducts and are stimulated to form uterine tubes,uterus,cervix and upper vagina LANGMANS MEDICAL EMBYOLOGY,12 TH EDITION, Pg no:247 