Board Thread:Speculation House/@comment-3146930-20140427040734/@comment-3146930-20140428052743

There is no evidence to suggest that any one Semblance can be passed down. Keep in mind that the mother and father would have their own Semblance, so the child could share the Semblance of a parent or may have a completely different one; like how some children will have a different eye color because of recessive genes.

As with Jaune, he admitted to faking his transcripts to get into Beacon and has no combat experience at all. He didn't even know what Aura was until Pyrrha explained it to him. This would imply that Jaune doesn't know how to activate his Semblance and most likely still doesn't, but only managed to use it out of reflex.

Also just looking at Jaune's lack of skill, maybe his Great-great-Grandfather was a brave hero, but stories become exaggerated over each generation until little fact can be gathered. Also with the war over, there may not have been a warrior in the family for at least three generations.