chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 138474317 138474318 C A 12 GENIC homozygous 54142253 7 138474345 138474346 T C 20 GENIC homozygous 54142254 7 138474644 138474647 GAG --- 9 GENIC homozygous 54142255