You can't really generalise like that - any mix of the same or different races can produce either gorgeous or less gorgeous kids! It depends on the genetics of the parents and what your perception of attractiveness is.
Well...the reason i ask this ,is because...in asia...most of the tv ad,movies or film are dominated by people that have pan asia look...
well it just a thought............
Matt83. I presume you meant children or offspring as opposed to siblings (brothers and sisters) Mixed race people are often very attractive and this is a widely held view. However, as secret spirit says it can depend.