chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 67118536 67118536 GC 19 GENIC homozygous 141089365 4 67148949 67148950 C 14 GENIC heterozygous 403102046 4 67148949 67148950 C A 14 GENIC possibly homozygous 403102047