chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 252542650 252542654 TTTT 32 GENIC homozygous 127504125 1 252542659 252542660 G A 31 GENIC homozygous 108612207 1 252542660 252542661 T C 31 GENIC homozygous 108612208 1 252542661 252542662 G A 32 GENIC homozygous 108612209