chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 72974876 72974877 T - 8 GENIC homozygous 58156392 3 72976860 72976861 T C 32 GENIC homozygous 57448974 3 72977919 72977920 G A 18 GENIC homozygous 58156394