chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 84150257 84150258 C G 44 GENIC homozygous 142839907 1 84150553 84150554 A G 53 GENIC homozygous 142839908 1 84151622 84151622 A 49 GENIC possibly homozygous 142789672