chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 80227689 80227690 A G 45 GENIC possibly homozygous 142835180 1 80228844 80228845 C T 35 GENIC homozygous 142835181 1 80228986 80228987 G T 42 GENIC possibly homozygous 142835182