Modern hominids do not show sexual dimorphism to the same degree â '' particularly , modern humans display a low degree of sexual dimorphism , with males being only 15 % larger ( taller , heavier ) than females , on average . Modern hominids do not appear to display sexual dimorphism to the same degree â '' particularly , modern humans display a low degree of sexual dimorphism , with males being only 15 % larger than females , on average .