chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 41774148 41774149 T C 1 GENIC homozygous 56846648 4 41774426 41774427 C CCCT 1 GENIC homozygous 57725712 4 41775745 41775746 C A 4 GENIC homozygous 56846654