chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 7394465 7394466 C T 45 GENIC heterozygous 662783494 20 7394468 7394469 C A 44 GENIC homozygous 662783495 20 7394483 7394484 C CA 38 GENIC homozygous 764753587