chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 190680460 190680461 T C 18 GENIC homozygous 185460801 2 190681056 190681057 A G 17 GENIC homozygous 185460802 2 190682279 190682280 T C 15 GENIC homozygous 186152051 2 190682948 190682949 T A 16 GENIC homozygous 185460803