What is found when alleles among different human groups are analyzed?
A) There are no race-specific alleles and no consistent patterns of allele frequencies within racial groups. B) There are a few race-specific alleles but no consistent patterns of allele frequencies within racial groups. C) There are many race-specific alleles and several consistent patterns of allele frequencies within racial groups. D) There are no race-specific alleles but several consistent patterns of allele frequencies within racial groups.