chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 12804373 12804374 T C 23 GENIC homozygous 53791842 7 12804692 12804693 C CT 16 GENIC possibly homozygous 53791843 7 12805573 12805574 G A 19 GENIC homozygous 53791844