chr start stop reference nuc variant nuc depth genic status zygosity variant ID 10 81651937 81651938 T C 16 GENIC homozygous 887234451 10 81653291 81653292 C T 12 GENIC heterozygous 887234452 10 81653602 81653603 T G 7 GENIC homozygous 887234453