well, let me try and explain it, i'm sure you could google images and tons of results... a male will show balls, simple put. a female will have like a water droplet looking bulb with a pistil extending upright. i don't have any males but i have females in preflower, if that explination didn't make sense i'll take a pic of the female so you can at least know what that looks like. and for the super newbie, haha, when i first started growing i started with autoflowers, they show sex within two-three weeks and that was a great way to find out which is which