Estrogen and testosterone are both produced in the male body. Unlike in the female body, breast tissue in a normally developing male does not become enlarged in response to normal estrogen levels. Which statement explains why? A. When bound to estrogen, male estrogen receptors in breast cells do not signal the genes responsible for bigger breast B. Male estrogen receptors bond only to testosterone in the male body C. Male breast cells do not have the genes required for breast tissue enlargement D. Male breast cells have fewer estrogen receptors then females