chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 228537615 228537616 T C 23 GENIC homozygous 109000962 1 228539737 228539738 A G 31 GENIC homozygous 109000964 1 228539828 228539829 C T 28 GENIC homozygous 109000965 1 228539858 228539859 C A 24 GENIC homozygous 109000966