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Diagram of germ cell progression in AR+/y, G-AR−/y, L-AR−/y, S-AR−/y, and T-AR−/y testes. AR+/y and G-AR−/y testes can achieve full germ cell progression. However, spermatogenesis in the T-AR−/y, S-AR−/y, and L-AR−/y testes ceases predominately at the pachytene, pachytene/diplotene, and around the secondary spermatocyte to round spermatid stages, respectively.
