so I watched a docu about cloning and I got a little idea:

there needs to be some conflict as to why (Re)public is hostile or indifferent towards the Jedi - and not us seeing the Order as out of contact with reality - so in the docu they said today there is only one sample needed to clone (the process itself is still complicated and not 100%) - why not spill the whol "midichlorians" (which most aren't fond of) and keep the twist that Qui-Gon (or Dooku) forseeing a war prepaired Jedi clones (Ani could be one chosen donator - another reason why he could be brought to Corscant) - as for the "Grand Army of the Republic", it rings wrong to my ears, that they would use some shady "bounty hunter" - in my context he should be A) a "simple farmer" (with the best genetic traits) or B) an elite mercenary (chosen from a list)

it did sound very random (ok Dooku/Sidious searched for a ideal type, but that was offscreen ...)

ending in a real "Clone War" - Jedi (or Sith) against Republic Troopers (before there could he Droids or both sides could clone "best" fighters) - making a unique outfit (armour, ships) more important, or one could get lost in the massive battles ;-)