[piombisallow]

Height is controlled by genes too and you don't get people shorter than 0.5 m or taller than 3 m

[JPLeRouzic]

True, but one guy was 272 cm (8 ft 11 in) tall:

https://en.wikipedia.org/wiki/List_of_tallest_people

And another was 76cm high:

https://en.wikipedia.org/wiki/List_of_people_with_dwarfism