chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 145153734 145153735 G A 21 GENIC homozygous 615876279 1 145153735 145153736 G A 21 GENIC homozygous 615876280 1 145153794 145153795 C T 26 GENIC homozygous 613580641 1 145153797 145153798 C T 29 GENIC homozygous 613580642