chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 7394465 7394466 C T 11 GENIC homozygous 587266570 20 7394468 7394469 C A 10 GENIC homozygous 587266571 20 7394483 7394484 C CA 13 GENIC homozygous 721226604