uneven growth

Hey guys, whats up? :) Hope everything is good with you all! I have a specific question, since it never happened to me and i did not find that much of indormation online to fufill my questions.. why does this steam grew alone ? one side has 2 steams and the other only 1, did i just lose 1 bud...

This is the first plant I have grown with control over it but earlier on in the grow my brother cut off two sets of true leaves and this slowed down growth a lot. I topped this plant but the clone didn't survive. I used only water / Bio Root and the root didn't form. The leaves soaked up all the...