Nothing
It is possible to adjust the allele frequency at each locus by first selecting the locus number below and then entering the allele frequency distribution. Each of these vectors have to sum to one. The last element in each vector is always replaced with 1-sum(rest of vector elements).
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.