ANIMSCI 2200.01 Study Guide - Final Guide: Follicular Phase, Ovarian Follicle, Shock Absorber

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1978 first baby born by ivf in humans (louise brown) reproductive physiology in agriculture. Animal-derived food produced are based on the ability of the species to reproduce improvement of the reproductive rate is the major goal in food swine: litter size function of ovulation rate, fertilization rate, live piglets born. Dairy cattle: milk production: produce one calf every 13-14 months. Beef cattle: calves: production of one calf per year. Sheep: twins: give birth to twins and nurse to weaning. * use knowledge of reproduction to improve production. Sex determination depends on sex chromosomes x and y. Specification of the gonad as either testes or ovaries. Xy embryo has the sry gene (sex-determining region of the y chromosome) Absence of sry gene (xx embryo) = gonads will be ovaries. Abnormal embryogenesis of the female reproductive tract. Share common blood supply from the placenta in utero. Exposed to the same hormones: testosterone and mis. Ovaries fail to grow and produce estrogen.