chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 128399369 128399371 TG -- 18 GENIC heterozygous 62266750 1 128412335 128412336 C - 4 GENIC homozygous 62266751 1 128412338 128412339 C CT 3 GENIC homozygous 62266752