chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 181870484 181870485 G A 6 GENIC heterozygous 924694151 4 181871589 181871590 A G 5 GENIC heterozygous 924694152 4 181872443 181872444 A - 6 GENIC heterozygous 924760268