chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 246676905 246676906 T C 23 GENIC homozygous 989960083 1 246676906 246676907 A T 23 GENIC homozygous 989960084 1 246676919 246676920 C A 21 GENIC homozygous 989960085 1 246791851 246791852 T C 7 GENIC homozygous 989960086 1 246791852 246791853 C T 7 GENIC homozygous 989960087