chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 249709849 249709850 C CAAAAAAA 13 GENIC heterozygous 752432623 1 249712591 249712592 C CT 23 GENIC possibly homozygous 752432624 1 249716349 249716350 G GA 19 GENIC heterozygous 752432626