chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 144267937 144267938 C T 30 GENIC homozygous 116397010 7 144269962 144269963 C 29 GENIC homozygous 128531697 7 144269967 144269967 T 29 GENIC homozygous 128531698 7 144271902 144271903 C A 33 GENIC homozygous 116397011