chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 159448131 159448132 A C 28 GENIC homozygous 112912822 4 159448232 159448233 C G 23 GENIC homozygous 112912824 4 159453665 159453666 G A 21 GENIC homozygous 112912826 4 159455666 159455667 T G 46 GENIC possibly homozygous 112912828