Which of the following comparisons of gonad development is INcorrect? Development of the ovaries is approx. 5wks later than testis development Among genetic females the gonadal medulla proliferates and the cortex degenerates, while among genetic males the cortex proliferates and the medulla degenerates PGCs can be found in the cortical cords of the genetic female and in the seminiferous cords of the genetic male Both follicular cells and sustentacular cells are derived from surface epithelium