chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 90787172 90787173 G T 26 GENIC homozygous 141215864 1 90788842 90788843 A G 53 GENIC homozygous 141215865 1 90790222 90790223 C T 69 GENIC homozygous 141215866 1 90790281 90790282 G T 63 GENIC homozygous 141215867