You don't have to look for good ones, you can avoid bad ones. There's snps for unattractive, eg rs1934328, involved in ~40% of all cases of nonsyndromic cleft

You don't have to look for good ones, you can avoid bad ones. There's snps for unattractive, eg rs1934328, involved in ~40% of all cases of nonsyndromic cleft lip with or without cleft palate.