chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 117602356 117602357 T C 22 GENIC homozygous 115847679 7 117602596 117602597 A G 24 GENIC homozygous 115847681 7 117603287 117603288 A G 28 GENIC homozygous 115847683