chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 203748973 203748974 T A 18 GENIC homozygous 149485950 1 203764943 203764944 C 6 GENIC homozygous 402979318 1 203764943 203764944 C G 6 GENIC heterozygous 402979319 1 203771110 203771110 A 19 GENIC possibly homozygous 140959067 1 203832055 203832057 AC 20 GENIC heterozygous 135455605