Administration of testosterone to F1 males exposed to BC resumed the sperm parameters motility (P=0.0685; F = 3.366), count (P=0.1319; F = 2.433), viability (P=0.059; F = 3.586) and HOS (P=0.8981; F = 0.1937), except DSP (P=0.035; F = 4.46) when compared to controls (Table 3). The gene discussed is DSP; the disease is breast cancer.