chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 72379431 72379432 T G 12 GENIC homozygous 778478085 1 72379432 72379433 T C 12 GENIC homozygous 778478086 1 72379433 72379434 T G 12 GENIC homozygous 778478087 1 72379435 72379436 T A 12 GENIC homozygous 778478088