chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 7394465 7394466 C T 44 GENIC heterozygous 45410354 20 7394468 7394469 C A 44 GENIC homozygous 45410355 20 7394483 7394484 C CA 43 GENIC homozygous 45410356 20 7395279 7395280 C CA 2 GENIC homozygous 45410396