Respuesta :

rachelll12
 letss say...
mutations in factors that regulate gene expression are emerging as an important genetic cause of in intellectual disability .... hope this helped
chance7981
depends on how disability is being defined, mental disabilities like autism could also be defined as a birth defect, but the thing is still based off your genes therefore making it genetic, then you have the physical disabilities like losing an arm in iraq, that wouldn't be genetic

i hope this can help