chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 29913761 29913762 A G 28 GENIC homozygous 113090148 4 29914672 29914673 C A 27 GENIC homozygous 113090149 4 29914733 29914734 A G 19 GENIC possibly homozygous 113090150