chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 72379431 72379432 T G 18 GENIC homozygous 928015470 1 72379432 72379433 T C 18 GENIC homozygous 928015471 1 72379433 72379434 T G 19 GENIC homozygous 928015472 1 72379435 72379436 T A 19 GENIC homozygous 928015473