chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 62670819 62670820 A G 42 GENIC homozygous 57734443 4 62670874 62670875 T C 28 GENIC homozygous 57734445 4 62671098 62671099 G - 27 GENIC homozygous 56919002