Population screening showed that 81% of homozygous blue-shelled layers(OO) were classified as AA genotype at the SNP loci, while 89% of heterozygous blue-shelled layers(Oo) were AB genotype and 93% of tinted layers(oo) were BB genotype.

• 在纯合绿壳蛋鸡群体中,81%25的个体在2个位点均发生突变,标为AA型,杂合绿壳群体中AB型为89%25,粉壳蛋鸡群体中93%25的个体与红色原鸡序列一致,标为BB型。