yes u should look 4 sex.lol u wrote it.lo loking at ur plants they look fine i take it they are seedlings ,because u are asking about sexing put them into flower and keep u eye on them males will show quick get rid straight away un less u are plonen colecting 4 genetics.load of bolicks. dont take ur eye off them as soon as u see litel white hairs rewlax and enjoy good stain bluebury.mashed .stayslippery