chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 7880050 7880051 T C 4 GENIC homozygous 877736872 4 7880101 7880102 T A 6 GENIC homozygous 877736873 4 7880104 7880105 G C 6 GENIC homozygous 877736874 4 7880114 7880115 G T 8 GENIC homozygous 877736875