chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 228180793 228180794 T G 36 GENIC heterozygous 109538495 1 228194979 228194980 T C 5 GENIC homozygous 108560374 1 228194989 228194990 A C 5 GENIC homozygous 108560375