Hey Sharky...well the first really appears to be a male, but i am not 100% sure yet...don't pull it until you are 100%...
About terminating the grow....i don't know why you want to terminate them, they look good...every big plant starts as a little one....but if you don't want to smoke your own weed, and instead buy it for a ridiculously high price....well you know best...:thumbsup: