Castrating prepubescent bulls causes them to grow in female proportions because
A) castration damages the brain,which then switches its hormonal control from the pituitary to produce more estrogens.
B) small levels of estrogens are produced by the adrenal glands and fat tissue; with the lack of testosterone,a body develops along female patterns.
C) castration allows ovaries to develop and secrete estrogens.
D) the presence of live sperm is necessary for the growth of horns,shoulder muscles,and other bull features.
E) the resulting lack of gonadal hormone causes the adrenal cortex to overproduce sex hormones.
Correct Answer:
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