Oogenesis in the female results in one functional gamete—the egg, or ovum. What other cells are produced? What is the significance of this rather wasteful type of gamete production— that is, production of a single functional gamete instead of four, as seen in males?
Gina Marciano, a 44-year-old mother of eight children, visited her physician complaining of a “bearing down” sensation in her pelvis, low backache, and urinary incontinence. A vaginal examination showed that the external os of her cervix was just inside the vaginal orifice and her perineum exhibited large keloids (masses of scar tissue). What do you think Gina’s problem is and what caused it? (Be anatomically specific.)
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