Sex determination in mammals:
{"Image DocumentName": "Sex determination in mammals:", "Image ImageDescription": "coordinated control by the endocrine system. ;- the presence or absence of a Y chromosome. Mammalian reproductive development and endocrine organ control. The embryonic genital ridge consists. of a medulla surrounded by a cortex. - Female germ cells migrate into the cortex. & become organized into a ovary. - Male germ cells migrate into the medulla. & become organized into a testis. In the initial urogenital organization at the. indifferent gonad stage, precursors of. both male (Wolffian) and female (Mullerian) ducts are present.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}