MC1R Variant Allele Frequency.*

*Allele frequency is determined from the total number of chromosomes genotyped.** Chi2 or Fischer's exact test, as appropriate.等位基因频率(Allele frequency)由经基因分型的染色体总数量计算得出。根据实际情况选用卡方(Chi2)检验或费希尔精确检验(Fischer's exact test)。