chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 220744913 220744914 T C 24 GENIC homozygous 108542980 1 220745526 220745527 A C 6 GENIC homozygous 108542986 1 220745576 220745577 A C 13 GENIC homozygous 108542988