chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 220321198 220321199 G C 23 GENIC homozygous 61092367 1 220321200 220321201 C T 23 GENIC homozygous 61092368 1 220321405 220321406 C A 23 GENIC homozygous 61092369