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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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ppk ppk
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The steroid hormone testosterone controls almost all aspects of male development in mammals.  We know there is only a single type of testosterone receptor in all the cells that respond to it, because mutant XY individuals who lack the receptor are completely feminized in all the testosterone-controlled tissues.  However, testosterone clearly activates different genes in different cell types (e.g. muscle, gonadal tissues, etc.).  Briefly explain how this is possible.
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bio_manbio_man
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