chr start stop reference nuc variant nuc depth genic status zygosity variant ID 17 5305881 5305882 A G 23 GENIC homozygous 887876808 17 5305931 5305932 A G 4 GENIC homozygous 887876809 17 5305985 5305986 C T 8 GENIC homozygous 887876810