system
Given the following post, respond as if you're commenting on Reddit:
human
[SW Republic Commando] Are the members of delta squad bred from a different genome than Jango Fett's?

Their squad leader Delta-38 is clearly a clone of Jango Fett but the other three members have very distinctly different vocal patterns from 38 and other clones why is that? Can a clones vocal cords develop differently from other clones? Are these three particular clones bred from other genes? Are there examples of this among other commando squads or clones in general?
gpt
In the Clone Wars all clones were from Jango Fett. Some batches of clones were footsoldiers, others were pilots, commandos, ARCs, and so on. This led each type of clone to develop certain personality types. Officers were raised in an environment so that they would be confident in themselves and their tactics. Footsoldiers were raised so that they wouldn't make a fuss when given orders. The ARCs were given more freedom to be an individual and we're trained personally by Jango himself and later by other bounty hunters after his death. The Commandos like Delta Squad were taught specialized skills and focused on improvisation under stress. 

What's more interesting is that despite being raised in a controlled environment that each clone developed a unique personality. Batches became squads and developed social hierarchies regardless of designated rank. It was as if they craved individuality. From clone to clone subtle voice tonality was a huge difference just as other humans hear accents or see hair color. The only other humans they had ever seen growing up were clones. When the war started regulations relaxed and clones immediately began getting custom hair cuts and tattoos to identify themselves and to express individuality. 

Check out the episodes of The Clone Wars that feature the Domino Squad. Their story arc covers their training, personalities, and relationships quite well despite being carbon copies of one another.