chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 75429145 75429146 T C 18 GENIC homozygous 956456631 16 75429146 75429147 T C 19 GENIC homozygous 956456632 16 75429466 75429467 A G 21 GENIC homozygous 956456633