chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 268842566 268842567 C G 2 GENIC homozygous 675775322 1 268843563 268843564 T G 6 GENIC homozygous 675775323 1 268846199 268846200 G A 3 GENIC homozygous 675775324