chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 75429145 75429146 T C 20 GENIC homozygous 986486964 16 75429146 75429147 T C 20 GENIC homozygous 986486965 16 75429466 75429467 A G 18 GENIC homozygous 986486966