chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 74530101 74530102 G A 22 GENIC homozygous 113118568 4 74530227 74530228 T C 18 GENIC homozygous 112722663 4 74530397 74530398 T C 7 GENIC homozygous 112722665 4 74531058 74531059 C T 9 GENIC homozygous 112722669