chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 5772938 5772939 T A 19 GENIC homozygous 116425638 8 5772939 5772940 T C 19 GENIC homozygous 116425639 8 5774337 5774338 C T 17 GENIC homozygous 116425642