chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 187276750 187276751 T A 21 GENIC homozygous 110167185 2 187277233 187277234 C T 18 GENIC heterozygous 110167186 2 187284019 187284020 G A 23 GENIC homozygous 110167192