chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 66549559 66549560 C T 31 GENIC homozygous 113237068 4 66550057 66550058 T C 26 GENIC homozygous 112686138 4 66550600 66550601 G A 39 GENIC homozygous 113237069