chr start stop reference nuc variant nuc depth genic status zygosity variant ID 10 81651937 81651938 T C 36 GENIC homozygous 973373391 10 81652551 81652552 G T 20 GENIC homozygous 973373392 10 81653602 81653603 T G 30 GENIC homozygous 973373393